Skip to main content

Table 2 Areal and volumetric bone mineral density, T scores and diagnosis

From: Comparison of single CT scan assessment of bone mineral density, vascular calcification and fat mass with standard clinical measurements in renal transplant subjects: the ABC HeART study

 

Bone Mineral Density

T-score

Diagnosis

 

Mean (sd)

ra

Median (IQR)

ra

% Osteo-porosis

% Osteo-paenia

DXA: Proximal femur

946 g/cm2 (179)

1.0 (ref)

−1.2 (−1.8, −0.3)

1.0 (ref)

7 %

53 %

DXA: Neck Of Femur

912 g/cm2 (168)

0.85, P < 0.001

−1.2 (−1.9,-0.4)

0.90

13 %

50 %

P < 0.001

DXA: Distal Radius

663 g/cm2 (119)

0.58, P < 0.001

−1.1 (−2.1,-0.5)

0.45

17 %

43 %

P < 0.001

DXA lumbar Spine

1163 g/cm2 (208)

0.73, p < 0.001

−0.2 (−1.4, 0.7)

0.70

9 %

28 %

P < 0.001

QCT: lumbar, Trabecular

139 g/cm3 (43)

0.68, P < 0.001

−1.2 (−2.4, −0.3)

0.61

9 %b

20%b

P < 0.001

QCT: Lumbar, Cortical

469 g/cm3 (32)

0.18, P = 0.17

n/a

n/a

n/a

n/a

QCT: Lumbar Total

606 g/cm3 (50)

0.65, P < 0.001

n/a

n/a

n/a

n/a

  1. a Correlation using Spearman rank method
  2. bUsing American College of Radiology cutoffs of QCT trabecular BMD <80 g/cm3 as being suggestive of osteoporosis and 80–120 g/cm3 as being suggestive of osteopenia