Table 1.
DXA measurements at the left femur for army recruits before and after the 12-wk training for the various regions of interest: THBMD, FNBMD, TRBMD, ITBMD, WTBMD, as well as PFBMD
| Pretraining (All Data) | Pretraining (Paired Data) | Posttraining (Paired Data) | Mean of %Changes | Paired t-test | |
|---|---|---|---|---|---|
| n | 651 (for PFBMD, n = 529) | 382 | 382 | ||
| THBMD | 1.077 ± 0.137 | 1.083 ± 0.135 | 1.102 ± 0.128 | 1.89 ± 2.85 | <0.001 |
| FNBMD | 0.967 ± 0.131 | 0.975 ± 0.129 | 0.982 ± 0.127 | 0.85 ± 3.24 | <0.001 |
| TRBMD | 0.832 ± 0.117 | 0.840 ± 0.116 | 0.855 ± 0.113 | 1.98 ± 2.71 | <0.001 |
| ITBMD | 1.233 ± 0.159 | 1.240 ± 0.156 | 1.261 ± 0.150 | 1.76 ± 3.14 | <0.001 |
| WTBMD | 0.882 ± 0.157 | 0.886 ± 0.149 | 0.910 ± 0.147 | 2.93 ± 4.85 | <0.001 |
| PFBMD | 1.771 ± 0.187 | 1.781 ± 0.182 | 1.803 ± 0.175 | 1.36 ± 3.65 | <0.001 |
Values are means ± SD in g/cm2; n, no. of measurements. DXA, dual-energy X-ray absorptiometry; THBMD, total hip bone mineral density (BMD); FNBMD, femoral neck BMD; TRBMD, trochanter BMD; ITBMD, intertrochanteric region BMD; WTBMD, Ward's triangle BMD; PFBMD, femoral shaft subregion (8-cm segment of the proximal femur immediately distal to the base of the lesser trochanter) BMD.