Dexa scan z score

Your dexa scan test results how to interpret the score

3. The column marked Z score compares your bone mineral density with others of your own age. Now, you may be thinking, Well I am OK when compared with people my own age. Why should I care how I compare with some 30 year old? That is exactly what I thought when I saw my first dexa scan results The scan takes 10 to 20 minutes, and is usually carried out by a radiographer, a DEXA technician or a specially trained nurse. You may have to change into a hospital gown before your scan. Rest assured the procedure isn't unpleasant. You don't go into a tunnel, or need an injection

at or below -2.5 SD is defined as osteoporosis. If your Z score is below -2, your bone density is lower than it should be for someone of your age. Although BMD results provide a good indication of bone strength, the results of a bone density scan will not necessarily predict whether you'll get a fracture A bone density test, also known as a DEXA scan or DXA, stands for Dual Energy X-Ray Absorptiometry. DEXA scans are the most widely used test to measure bone mineral density. This measurement reflects the fact that the denser the bone, the less x-rays pass through it Ten gevolge van verschillen in waardegetallen tussen de verschillende metingsplaatsen en DEXA-toestellen is de gewoonte ontstaan om de uitslagen ofwel in procenten van die van normale leeftijdgenoten of jonge volwassenen (piekbotdichtheid) uit te drukken, ofwel als aantal standaardafwijkingen ten opzichte van de piekbotmassa van normale leeftijdgenoten (Z-score) of jonge volwassenen (T-score) van hetzelfde geslacht

De Z-score wordt meestal toegepast als er sprake is van ernstige osteoporose. De score is het meest bruikbaar als het minder dan twee standaardafwijkingen van de verwachtingswaarde is. Het is dan vooral in gebruik om te kijken of er sprake is van andere ziektes die osteoporose veroorzaken of verergeren, zoals hyperparathyreoïdie of alcoholisme A Z-score is helpful in diagnosing secondary osteoporosis and is always used for children, young adults, women who are pre-menopausal, and men under age 50. If you have a very low Z-score (more than 2 standard deviations below other individuals your age), your doctor should consider whether other medical conditions or medications may be causing lower than expected bone density

De Z-score is de afwijking van de meting ten opzichte van de geslachtsspecifieke referentiewaarden voor de leeftijdsgenoten. Omdat het verlies aan botdichtheid gerelateerd is aan de leeftijd is er in eerdere richtlijnen (NHG-Standaard Osteoporose en CBO-richtlijn Osteoporose) voor gekozen om bij patiënten van 70 jaar en ouder uit te gaan van de Z-score Normal Range of Z-Score. A normal BMD Z-score ranges from -2.5 to 2.5 [3, 4]. A normal Z-score means that you have a similar BMD to other healthy people in your age group. A lower Z-score means your BMD is lower and a higher Z-score means it's higher. Low Z-Score Causes/Associations. A low Z-score is associated with secondary osteoporosis

Bone density scan - Royal Osteoporosis Societ

  1. DEXA scan report showing a T-score in the range of -2.5 to -3.0 indicates poor bone health, and points towards osteporosis, a condition that is typically marked by brittle bones. A T-score of -3.0 or lower is worrisome and denotes severe form of osteoporosis. Z-Score
  2. Dexa scan. Het is dan ook zinvol bij patiënten bij wie osteoporose wordt vermoed een botdichtheidmeting te doen. De scanner biedt de mogelijkheid in één korte sessie een botdichtheidmeting te doen van de heup en van de wervels en tevens een soort röntgenfoto van de wervels te maken
  3. De meting wordt uitgedrukt in een T-score en een Z-score: T-score: uw botdichtheid vergeleken met de botdichtheid van een gezonde vrouw/man rond het 35e jaar; Z-score: uw botdichtheid vergeleken met de botdichtheid van iemand van uw leeftijd. Wat betekent de uitslag? Bij een uitslag van: T-score tussen de +1 en -1 is alles prima
  4. g voor een botdichtheidsmeting, waarbij de afkorting DEXA staat voor Dual Energy X-ray Absorptiometry. De diagnose osteoporose kan worden gesteld met een dergelijke.
  5. De radioloog bepaalt de exacte dichtheid en vergelijkt de waarden dan met standaardwaarden voor je leeftijd en geslacht. Dit resulteert uiteindelijk in een Z-score. De botdichtheid wordt daarnaast ook uitgedrukt in een T-score, een meer absolute maat

My dexa scan z score is -2.6 what does this mean exactly ?, i am 53. 2 doctor answers • 2 doctors weighed in. Share. Dr. Joseph Accurso answered. Radiology 29 years experience. Z score is age based: Z score is comparing the patient's bone mineral density to the average of a group of age, ethnicity and gender matched normals Test-score rapporteres som en T-score og en Z-score T-score angiver, hvor mange SD'er personens BMD ligger over eller under den gennemsnitlige BMD for en reference population af yngre voksne af samme køn ; Z-score angiver, hvor mange SD'er personens BMD ligger over eller under den populationens alders- og kønsspecifikke middelværd

Your Z-score is the number of standard deviations above or below what's normally expected for someone of your age, sex, weight, and ethnic or racial origin. If your Z-score is significantly higher or lower than the average, you may need additional tests to determine the cause of the problem. By Mayo Clinic Staf A Z-score over 2.0 is considered normal, while a Z-score below -1.5 could indicate something besides age is contributing to bone loss. Depending on the results of your DEXA scan, you and your doctor may decide you need to take further steps to protect your bone health. Tips for Protecting Bone Healt The DEXA scan or ultrasound will give you a number called a T-score, which represents how close you are to average peak bone density. The World Health Organization has established the following classification system for bone density: • If your T-score is -1 or greater: your bone density is considered normal Een DEXA-scan is een onderzoek waarmee de hoeveelheid kalk in uw botten wordt gemeten. De gemeten hoeveelheid kalk wordt vergeleken met waarden die gemiddeld horen bij uw leeftijd en geslacht. Doel van het onderzoek Met behulp van een DEXA-scan wordt gemeten of e A DEXA scan may also report results using a Z-score, which reports the amount of bone a person has in comparison with other people of the same size, age, and sex. It can help determine whether..

Bone density scan (DEXA scan) - How it is performed - NH

  1. For example, DEXA of the hip has a relative risk of about 2.5 for each standard deviation for predicting hip fracture; therefore, a person with a z-score of -1 has 2.5 times the chance of a hip fracture compared to a woman with Z-score of zero (average)
  2. DEXA Scan (Dual X-ray Absorptiometry) to Measure Bone Health Medically Reviewed by Tyler Wheeler, MD on October 05, 2020 . Sometimes doctors will give you another DXA scan result -- a Z score
  3. Interpret Your Bone Density Scan Results. DEXA bone scan results scores are measured as T-scores, which is a comparison of a person's bone density with that of a healthy 30-year-old adult. The lower bone density test results, the lower your total bone density, indicating osteopenia or osteoporosis
  4. The Z-score is a comparison of a person's bone density with that of an average person of the same age and sex. premenopausal women should not get bone scans. Even with an abnormal DEXA scan,.
  5. ations, DXA scans should be critically assessed by th e interpreting physician and densitometrist for abnormalities that may affect BMD measurements. In clinical practice, recognition of diverse artifacts and disease processes th a
Osteoporosis by drdoc on-line

DEXA is a non-invasive test to measure bone density. A Z-score above -2.0 is normal according to the International Society for Clinical Densitometry (ISCD). A diagnosis of osteoporosis in younger men, premenopausal women and children should not be based on a bone density test result alone After excluding 44 DXA scans because of spinal hardware, incomplete DXA, or repeat scans, 316 DXA scans were included; 81 (25.6%) had either an LS radiograph or a VFA. Twenty-five of 81 patients (30.9%) had >1 SD difference between adjacent vertebrae in LS BMD Z-score The soft tissue and the bones absorb the energy and then measured. The results of your bone density test results will show two scores: a T score and a Z score A DEXA scan report that provides information about bone density is primarily represented by 3 parameters, namely BMD, T-score, and the Z-score. It is explained below: BMD Z-score vs T-score: As with other laboratory tests, the numeric aBMD and BMC values generated are meaningless without comparison to the appropriate normal controls. 15 Once a comparison is made to the normative database, as performed by software analysis, the reported pediatric DXA value is given as a percentile or a standard deviation score, the Z- score (Fig. 2)

- DEXA (Dual Energy X-ray Absorptiometry) en - CT-scan (Computer Tomografie) Hiermee kan in een bepaald bot de totale hoeveelheid mineralen (BMD: Bot Mineraal Dichtheid) of de botdichtheid heel precies worden gemeten. Een botdichtheidmeting heeft twee zeer duidelijke voordelen boven de gewone röntgenfoto's Formeel is de medische diagnose osteoporose van toepassing indien bij een DEXA scan ( botdichtheidsmeting) een T-waarde van -2,5 (of lager) is vastgesteld. Een DEXA scan is een van de 4 onderdelen van een formele diagnose

Er is sprake van een abnormaal verlaagde botdichtheid bij een T-score van =-2,5 bij mensen tot en met 70 jaar; en een Z-score van =-1,0 bij mensen ouder dan 70 jaar. Ongeveer de helft van de 80-jarigen heeft een T-score van -2,5 of lager Z-scores are a way to translate individual data points into terms of a standard deviation. The purpose of the Z-score is to allow comparison between values in different normal distributions. Two values from two different data sets may have quite a large absolute difference, but their Z-scores may be similar, meaning that they are at roughly the. DEXA scans in NHANES used the QDR 4500A fan beam densitometer (Hologic, Inc., Bedford, MA, USA) The Z-score of the log-transformed A Body Shape Index (LBSIZ).

DEXA scan is one of the most popular methods of measuring bone mineral density. It is a procedure in which certain parts of the body are exposed for a short duration to X-ray beams of different energy levels. It is possible to account separately for the capacity of the soft tissue in the body to absorb radiation and that of bone tissue to do so. The Z-score is a comparison with the bone density of people of the same age and sex as the patient. A negative Z-score of -2.5 or less should raise suspicion of a secondary cause of osteoporosis. Clinical risk calculators can be used to predict the 10-year probability of a hip or major osteoporotic fracture De DEXA scan word uitgevoerd op een apparaat zoals hierboven aangegeven. In het ziekenhuis zat er bij mij da nog wel een laken overheen, wat natuurlijk een stuk verzorgzender eruit komt te zien. Die arm die erboven zit, die kan als het ware rond het bed draaien waardoor vanuit elke hoek de scanner kan meten Borger Fagperson Knogletæthedsmålinger. 07.12.2020. Definition1 . Knogletæthedsmåling måler massen af knoglemineral (BMD = Bone Mineral Density) i et defineret område af skelettet (BMD g/cm 2) . Det vil sige, at man ikke måler tæthed (g/cm 3), men massen korrigeret for størrelse udtrykt ved arealet af det skannede område (g/cm 2); Metoden kan bl.a. benyttes til at stille diagnosen.

A Z-score over 2.0 is considered normal, while a Z-score below -1.5 could indicate something besides age is contributing to bone loss. Depending on the results of your DEXA scan, you and your doctor may decide you need to take further steps to protect your bone health Dexa-scanner. Met een Dexa-scan kan worden vastgesteld of u botontkalking (osteoporose) hebt. Een Dexa- scan wordt gemaakt met behulp van röntgenstralen. Dit onderzoek wordt ook vaak een botdichtheidsmeting genoemd. Er wordt gemeten in welke mate het bot de röntgenstralen tegenhoudt Your Z-score is representative of the average values for a person of your same age and gender. In short, the lower your score, the weaker your bones are. Our services: DEXA scanning provides concrete data that shows how a program is - or isn't - working, which informs next steps in a nutrition or fitness plan to yield desired results Bone Density Z-Score. The osteoporosis Z-score, on the other hand, represents a woman's bone density results in comparison to a person of her age, sex, weight, and ethnicity. If one's Z-score is abnormally skewed, this could represent an external factor aside from aging that is causing atypical bone loss

Osteoporosis is an extremely common disorder that may result in fractures in several locations. Hip fractures associated with osteoporosis can result in mortality. The defining characteristic of osteoporosis is reduced bone mineral density as identified by dual energy X-ray absorptiometry (DXA). Depending on specific factors, related to the clinical status of the patient or technical aspects. Concerns about bone health and potential fragility in children and adolescents have led to a high interest in bone densitometry. Pediatric patients with genetic and acquired chronic diseases, immobility, and inadequate nutrition may fail to achieve expected gains in bone size, mass, and strength, leaving them vulnerable to fracture. In older adults, bone densitometry has been shown to predict. Het meten van deze dichtheid kan met DEXA (dual Xray absorptiemetrie), CT-scan, MRI en Ultrasound. De uitslag van een DEXA meting geeft een T-score (afwijking van de meting tov de gemiddelde waarde voor jong volwassenen) en een Z-score (afwijking van de meting tov de gemiddelde waarde voor van mensen met hetzelfde leeftijd en geslacht) A One-Woman Dexa Scan Report: 2004. Bone scans let us know we have bone density problems before we suffer irreparable damage, but dexa scan measurement may not be as accurate as we expect. If we know more about the accuracy of the testing, we know how to interpret the results. Below, you'll find my dexa scan results Dual energy x ray absorptiometry (DXA) scans to measure bone mineral density (BMD) at the spine and hip have an important role in the evaluation of individuals at risk of osteoporosis, and in helping clinicians advise patients about the appropriate use of antifracture treatment. Compared with alternative bone densitometry techniques, hip and spine DXA examinations have a number of advantages.

DEXA Scan: Everything You Need (& Want) to Kno

  1. The Z score compares an individual to others their own age and sex — which makes it a much more realistic assessment of how your bones are faring in their lifelong journey. Where an active, healthy 80-year-old woman, compared to a 30-year-old, might have a T score of -2.0, when compared to other 80-year-old women, she could very well have a Z score of +1.0 or even +2.0
  2. What does osteoporosis -2.5 mean? To answer that question, we start with bone density scans, sometimes referred to as bone densitometry or dual-energy x-ray absorptiometry (DEXA, also written as DXA). Such scans have become an increasingly popular testing modality as more than 10 million adults in the United States alone suffer from osteoporosis and more than 43 million adults have low.
  3. A DEXA scan is a type of medical imaging test. It uses very low levels of x-rays to measure how dense your bones are. DEXA stands for dual-energy X-ray absorptiometry.. Medical experts consider DEXA scans to be the most useful, easy, and inexpensive test for helping to diagnose osteoporosis. The test is quick and painless
  4. D and Estrogen replacement therapy would no
  5. Can Dexa Scan T-score exceed a score of -4.0 . and don't believe the Dexa score represents small boned women well. I may be deceiving myself, but I believe the strength of bones and the muscles around them mean more then a generic one size fits all dxa score
  6. e whether.

DEXA scan procedure . The DEXA (DXA) scan is usually performed on the hip and lower (or lumbar) spine, but can also include the non-dominant forearm. Images are taken while you lie on a large, flat table usually made of glass. The exam does not require you to move. Instead, the scanner moves over the top of you DEXA Our DEXA provides for both adult and paediatric Bone Density Analysis as well as Body Composition Analysis. Bone Densitometry Body Composition Bone Densitometry A Bone Density scan is a simple test on our DEXA machine that measures the calcium content within your bones. It requires no preparation, and involves scanning the lower spine and

Praktische betekenis van botdichtheidsmeting bij

Botdichtheid - Wikipedi

normal deXa scan of a patientDexa p

Understanding Bone Density Results - Your T-score & Z

A DEXA scan can indicate osteoporosis, The Z-score compares your bone density to a normal score for a person of your same age and body size. A report and recommendation is made by a specialist endocrinologist and these will be sent to your referring doctor. To make an appointment Table 1. Recommendations for osteoporosis screening with DEXA scan . 1, 2. Population Preliminary FRAX? DEXA Frequency. 3. Comments . All women aged 65 years and older No Every 2-10 years depending on initial T-score No upper age limit. Postmenopausal women under 65 years withat least one of the following: •Parent with hip fracture. De Z-score ' vergelijkt uw DEXA resultaten voor de gemiddelde persoon in uw leeftijdsgroep . Zodra de arts voltooit de scan , het meten en interpreteren van de Z- score slechts vereist het vinden van de juiste lijn van de gegevens . Instructies 1 . Ga naar de pagina met je blote gegevens Hoe meet je een Z-Score in een Dexa-Scan Een dexa-scan is een medische scan artsen gebruik op mensen die hebben, of het risico lopen voor osteoporose en osteopenie. Het meet de botdichtheid en vergelijkt het met bepaalde normen. De T-score vergelijkt uw dexa resultaten de gemidd. This very large dual X-ray absorptiometry (DXA) cohort confirmed a significant, inverse relationship between bone mineral density (BMD) Z-scores and the presence of secondary causes of osteoporosis but receiver operating characteristic (ROC) curves indicate that Z-score diagnostic thresholds (such as -2.0) discriminate poorly between the presence and absence of secondary causes of osteoporosis

Bij een DEXA meting wordt een scan gemaakt van een heup en de onderrug met behulp van röntgenstraling. Na de scan wordt door een computer bekeken hoe de botdichtheid is in vergelijking met een gemiddelde vrouw van 35 (de zogenoemde T-score) en in vergelijking met uw leeftijdsgroep (de zogenoemde Z-score). Voorbereidin Your Z Score. Your Z score shows your bone density compared with people who are the same age, size and gender as you. If your Z score is significantly higher or lower than the average, your bone loss may not be related to aging. Your doctor might want to do additional testing to find the source of the problem This scan also may help detect whether cancer has metastasized, or spread, to the bones. Furthermore, what are T and Z scores osteoporosis? Your BMD is compared to 2 norms—healthy young adults (your T-score) and age-matched adults (your Z-score). A T-score of 1 to 2.5 SD below the young adult mean (-1 to-2.5 SD) indicates low bone mass Een DEXA-scan is een zeer nauwkeurige röntgenfoto die uw botmineraaldichtheid en botverlies meet. Als uw botdichtheid lager is dan normaal voor uw leeftijd, duidt dit op een risico op osteoporose en botbreuken. DEXA staat voor dual energy röntgenabsorptiometrie. Deze techniek werd geïntroduceerd voor commercieel gebruik in 1987 A Z-score of -2.0 or lower is defined as below the expected range for age and a Z-score above -2.0 is within the expected range for age. Osteoporosis cannot be diagnosed in men under age 50 on the basis of BMD alone. The WHO diagnostic criteria may be applied to women in the menopausal transition. Z-Score Reference Databas

Fractuurpreventie NHG-Richtlijne

Monitoring changes in bone density - REVIEW future science groupfuture science group www.futuremedicine.com 91 Data from both arms of FIT have also been used to examine the relationship between th A Z score below -2.0 means that the client has less bone mass than someone of the same age and that this could be caused by something other than aging. Who should get a DEXA scan? Since the DEXA Scan is a bone mineral density test, those at risk for osteoporosis are recommended to get it done. Anyone can get osteoporosis

BONE DENSITY REPORT SAMPLE #2. DEXA BONE DENSITY SCAN: FINDINGS: Bone mineral density of L1 through L4 is 1.351 gm/cm2 with a T-score of 1.1 and a Z-score of 2.0. In comparison to the prior examination of 10/25/06, there has been a 1.3% increase in bone mineral density of L1 through L4 Botdichtheidsmeting (DEXA) Wat kost een botdichtheidsmeting? Bij dit onderzoek maken we een foto van uw heup en rug met behulp van een zeer lage dosis röntgenstraling. Zo kunnen we de dichtheid van uw botten meten. Met deze meting kunnen we vaststellen of u osteoporose (botontkalking) heeft

Z-Score For Bone Mineral Density: What It Is & Ranges

Not as obvious, but when comparing scans taken many years apart, a statistically significant loss may only reflect normal age related bone loss, or it could be loss that cannot be explained by aging. If the Z-score had also fallen, then the loss is greater than that expected for aging. In children, T-scores would inappropriate A DEXA scan for bone density takes just a few minutes and can be conducted without any prior preparation. It is important to note that the DEXA scan is different from the traditional bone scan which uses a radioactive isotope and is used for other diagnostic applications. The results of the DEXA scan are represented in the form of a test score Some argue that a Z-score of less than -1.0 should be regarded as low for an athlete. v. DEXA scanning is less reliable as a measure of BMD in children and gradually becomes more reliable during the teenage years. DEXA can also provide a good estimate of body composition and is better than most other techniques as a measure of body fat

Z Score vs T Score. • T scores and Z scores are measures that measure deviation from normal. • In case of T scores, the average or normal is taken as 50 with a SD of 10. So a person scoring more or less than 50 is above or below average. • The average for Z score is 0. To be considered above average, a person has to get more than 0 Z score DEXA Scan. What is Dexa Scan? To accurately detect osteoporosis, doctors commonly use DEXA bone densitometry to measure bone mineral density (BMD). Z score - This number reflects the amount of bone you have compared to other people in your age group and of the same size and gender Z-score compares your bone density with that of other people of your age, gender, and race. With either score, a negative number means you have thinner bones than average. The more negative the number, the higher your risk of a bone fracture Verloop. Een botmeting is pijnloos. Het onderzoek duurt gemiddeld 10 à 15 minuten. U hoeft zicht niet uit te kleden voor het onderzoek. Metalen voorwerpen (riem, bh-beugel of ketting) moeten wel uit het beeld zijn. U gaat op de tafel liggen. Er worden röntgenopnames gemaakt van de wervels en de heup. U moet twee keer ongeveer een minuut heel. What about the Z‐score? • This pt clearly has osteoporosis • Z‐score indicates accelerated loss • Z‐score less than 2SD from peers concerning for secondary causes of bone loss • Z‐score >2SD most likely due to OA - could also signify sclerosi

How to Read a DEXA Scan Report - Health Heart

The best known bone-density test is the DEXA scan. It's a precise test and today is considered the gold standard by many conventional doctors as they evaluate bone health. A bone density test result is generally presented in numbers as grams per cubic centimeter, and also calculated as a T score and a Z score The DEXA scan calculates bone density based on the amount of radiation absorbed by the bone, and compares your bone strength with that of young premenopausal women and other women in your age group. The diagnosis of osteoporosis means that your bone density has fallen below the range expected in premenopausal women (often called a T-score below -2.5) Dexa Body estimates the VAT (Visceral Adipose Tissue) content within the android region, VAT is a specific type of fat that is associated with several types of metabolic diseases such as obesity, metabolic syndrome, and type 2 diabetes. Dexa Body results have been validated for adults between ages 18-90, and with a BMI in the range of 18.5-40

MRG DEXA Reporting Policy . The purpose of this guideline is to facilitate and promote a standardized, consistent and accurate DEXA report that is easy for clinicians to interpret. o A Z-score of -2.0 or lower is defined as below the expected range for age, and a Z-score An x-ray detector scans a bone region, and the amount of x-rays that pass through bone are measured and displayed as an image that is interpreted by a radiologist or metabolic bone expert. The test causes no discomfort, involves no injections or special preparation, and usually takes only 5 to 10 minutes The scan usually takes between 5 and 20 minutes, depending on which part of your body is being examined and whether a central or peripheral scanner is being used. There is no 'tunnel' to pass through as there is in other types of scans such as an MRI or CT scan, so it should not affect people who do not like being in enclosed spaces La densité osseuse DEXA scan Test: Préparation, procédure, résultats. Un DEXA est un type de haute précision de rayons X qui mesure votre densité minérale osseuse et la perte osseuse. Si votre densité osseuse est inférieure à la normale pour votre âge, il indique un risque pour l' ostéoporose et les fractures osseuses

DEXA Scan is the short form for Dual Energy X-ray Absorptiometry Scan. Such a scan is primarily done in order to scan the bone density of an individual. The scan is a painless and quick procedure where the individual requires lying on his/her back over an X-ray table such that a specific area of the body can be scanned for the purpose Z score — This number reflects the amount of bone you have compared with other people in your age group and of the same size and gender. What are the risks of a DEXA scan? When you're dealing with radiation, there is always a slight chance of developing cancer, but the amount of radiation in these tests is extremely low, less than one-tenth the dose of a standard chest x-ray

Lumbar Spine: Z Score Lumbar SpineBone densitometry

A DEXA scan follows a fairly straightforward procedure: The patient lies on a table on his/her back. A scanning arm moves over the patient, emitting a low dose of x-rays into the lumbar spine, the hip, and/or the wrist. In some machines, the arm only contains the detector, with the x-ray source under the exam table The Horizon DXA system is the latest in densitometry technology, but the dual energy X-ray does more than just measure bone density. The Horizon DXA system has features for a complete fracture risk assessment and more. Manage patients' concerns about long-term bisphosphonate use with the 15-second single energy femur scan that allows. Under the auspices of the World Health Organization (WHO), a panel of experts has periodically met on the topic of assessment of fracture risk and osteoporosis. WHO-1 The World Health Organization first convened a group of experts in 1994 to assess fracture risk and its application to screening for postmenopausal osteoporosis. The scientific group defined Read mor Importance. By 2020, approximately 12.3 million individuals in the United States older than 50 years are expected to have osteoporosis. 1 Osteoporotic fractures, particularly hip fractures, are associated with limitation of ambulation, chronic pain and disability, loss of independence, and decreased quality of life, and 21% to 30% of patients who experience a hip fracture die within 1 year. 2. A DEXA scan also uses a low dose of radiation, which means the risks to health are much lower than with standard X-rays. Doctors use the results of bone density scans to help them decide whether treatment for low bone density is needed. If your Z score is below -2,.