GE LUNAR iDXA
Maximum weight limit for iDXA table is 204.5 kg or 450 lbs.
Precision Coefficients of Variation (%CV) for Bone Mineral Density and
Body Composition
Region
Femoral Neck BMD (g/cm²)
Total Femur BMD (g/cm²)
Spine L1-L4 BMD (g/cm²)
Total Body BMD (g/cm²)
Total Body BMC (g)
Total Body Area (cm²)
Total Body %Fat
Total Body Fat (g)
Total Body Lean (g)
Mean
0.936
0.998
1.184
1.142
2586
2248
35.8%
25345
44283
CV
1.4%
0.7%
1.1%
0.5%
0.5%
0.7%
0.8%
0.8%
0.5%
Precision Coefficients of Variation (%CV) for Body Composition on Obese
Subjects
Measurement
BMD (g/cm²)
BMC (g)
Fat Mass (kg)
Lean Mass (kg)
%Fat (Tissue)
%Fat (Region)
%CV
1.08%
1.00%
1.22%
0.95%
0.78%
0.78%
Patient Radiation Dose Exposure
Scan Site
Scan Mode
(mA)
Thick
2.5
Standard
2.5
Thin
0.625
Scan Exposure Dose
(µGy)
(mrads)
329
3.29
146
1.46
37
3.7
Femur
Thick
Standard
Thin
2.5
2.5
0.625
329
146
37
3.29
1.46
3.7
Total Body
Thick
Standard
Thin
0.188
0.188
0.188
6
3
3
.06
.03
.03
AP Spine
BMD = Bone Mineral Density
BMC = Bone Mineral Content