Table 1.
Baseline | Nonfracture N = 120 | Fracture N = 67 | P (Anova) | |
---|---|---|---|---|
Age (years) | 62.5 (5.4) | 63.3 (5.4) | 0.35 | |
Height (cm) | 161.1 (5.7) | 160.9 (5.3) | 0.79 | |
Weight (kg) | 68.1 (10.3) | 66.4 (9.4) | 0.26 | |
DXA | Adjusted mean difference1 | P (Ancova)1 | ||
Femoral neck BMD (g/cm2) | 0.823 (0.129) | 0.776 (0.098) | 4.5 (0.3 to 8.6) | 0.035 |
Trochanter BMD (g/cm2) | 0.907 (0.129) | 0.859 (0.098) | 4.3 (0.5 to 8.0) | 0.028 |
Distal radius BMD (g/cm2) | 0.358 (0.059) | 0.316 (0.053) | 11.1 (6.3 to 16.1) | <0.001 |
pQCT, distal tibia | ||||
Bone mineral content, BMC (g) | 647.9 (84.4) | 604.8 (83.1) | 6.0 (2.2 to 9.7) | 0.002 |
Trabecular density (g/cm3) | 224.1 (28.6) | 214.0 (33.3) | 4.1 (0.1 to 8.2) | 0.053 |
Section modulus (mm3) | 855.2 (287.0) | 752.4 (250.0) | 9.9 (0.1 to 19.7) | 0.049 |
pQCT, tibial shaft | ||||
Bone mineral content, BMC (g) | 768.9 (86.6) | 735.02 (86.8) | 3.6 (0.4 to 6.8) | 0.027 |
Cortical density (g/cm3) | 1097.7 (32.2) | 1095.2 (30.1) | 0.2 (−0.6 to 1.0) | 0.64 |
Cortical area (mm2) | 280.0 (28.7) | 268.3 (29.3) | 3.4 (0.6 to 6.2) | 0.019 |
Section modulus (mm3) | 1658.3 (211.4) | 1606.6 (242.2) | 2.3 (−1.4 to 6.1) | 0.22 |
Physical performance | ||||
Figure-8 running (s) | 17.7 (2.1) | 18.0 (2.1) | −1.9 (−4.9 to 1.1) | 0.20 |
Jumping test (cm) | 18.7 (4.1) | 18.3 (4.0) | 2.6 (−3.4 to 8.7) | 0.40 |
Grip strength, right hand (kg) | 30.5 (4.8) | 29.2 (4.1) | 0.1 (0.0 to 0.2) | 0.14 |
Isometric leg-extensor strength (N/kg) | 18.3 (3.4) | 17.9 (3.5) | 2.5 (−2.3 to 7.2) | 0.31 |
VO2max (ml/min/kg) | 28.2 (5.7) | 28.6 (5.8) | −0.6 (−4.7 to 3.4) | 0.77 |
1Adjusted for age, height, and weight.