Body Composition Results Dual-Energy X-Ray Absorptiometry (Dxa) Form - Mic
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2BODY COMPOSITION RESULTS
DUAL-ENERGY X-RAY ABSORPTIOMETRY (DXA)
Your body composition results are:
___________________ Z-score
Total Body % Fat
______________________ %
Total Body Bone Density
T-score
Absolute Total Body Fat
______________________
DXA Machine Serial Number
___________________________
Absolute Total Body Lean
______________________
Scan Date
___________________________
TOTAL BODY % FAT CATEGORIES FOR MEN
TOTAL BODY % FAT CATEGORIES FOR WOMEN
Age
Age
Underfat
Healthy Range
Overweight
Obese
Underfat
Healthy Range
Overweight
Obese
(years)
(years)
20 - 39
Under 8%
8% - 19%
20% - 24%
Over 24%
20 - 39
Under 21%
21% - 32%
33% - 38%
Over 38%
40 - 59
11% - 21%
40 - 59
Under 23%
23% - 33%
34% - 39%
Over 39%
Under 11%
22% - 27%
Over 27%
60 - 79
13% - 24%
Under 13%
25% - 29%
Over 29%
60 - 79
Under 24%
24% - 35%
36% - 41%
Over 41%
•
Athletes may fall in the “Underfat” category as part of their athletic training
•
Individuals of Chinese or Southeast Asian heritage should have slightly lower values for the Overweight and Obese categories, but the exact numbers are not
known at this time
How to compare total body % fat to your previous results
Body composition values determined by DXA have some variability. A minimum amount of difference is needed between two measurements to be confident that the
difference is a real change. The machine used for the current DXA test is shown in the results box above. If your previous study was done on the same MIC machine after
2009, the changes needed to be sure the difference is real are:
Minimum change to be sure difference is real
Measurement
MINIMUM CHANGES BETWEEN TWO
% Total Body Fat
1.1 %
MEASUREMENTS (FOR TOTAL BODY % FAT) ON
Absolute Total Fat
0.8 kg
THE
SAME
MIC MACHINE
0.9 kg
Absolute Total Lean
If your previous study was done on a different MIC machine or was done on the same MIC machine before 2009 (which needs to be regarded as a different machine
because of software changes), the changes needed to be sure the difference is real are:
Measurement
Minimum change to be sure difference is real
MINIMUM CHANGES BETWEEN TWO
% Total Body Fat
3.1 %
MEASUREMENTS (FOR TOTAL BODY % FAT) ON
Absolute Total Fat
2.5 kg
DIFFERENT
MIC MACHINES
Absolute Total Lean
2.7 kg
Bone Density Results
Results for bone density tests are presented in an unusual way. For people under age 50, bone density is given as a “Z-score”. For people over age 50, it is given as a
“T-score”. The scores are expressed as positive or negative values. The results are of concern when negative values fall below particular thresholds. The meaning of
your results can be determined from the tables below. If your value falls in the category marked with an asterisk, you should discuss the results with your physician.
Total body bone density is not the best test to assess your risk for fracture and a normal result does not mean that you do not have osteoporosis. If you have concerns,
your personal physician can arrange the appropriate DXA test to measure mineral in your spine and hip.
Z-Score
Classification
BONE DENSITY RESULT FOR PEOPLE UNDER 50
Above -2.0
Within expected range for age
YEARS OF AGE
At or below -2.0*
Below expected range for age
T-Score
Classification
BONE DENSITY RESULT FOR PEOPLE 50 YEARS
At or above -1.0
Normal
Between -1.0 and -2.5*
Low bone mass
OF AGE OR OLDER
At or below -2.5*
Osteoporosis
* indicates that your value is lower than usual and you should discuss the result with your physician
Where to get further information about your results
If you wish to have further discussion about your DXA test values, you should bring your DXA results to your trainer (if you were referred by one) or your personal
physician.
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