Table 6 Comparison of bone mineral density in two groups of patients before and after treatment[\(\overline{x}\) ± s]
Group | N | Femoral neck(g/cm2) | Lumbar spine(g/cm2) | Ward triangle(g/cm2) | |||
|---|---|---|---|---|---|---|---|
Before treatment | After treatment | Before treatment | After treatment | Before treatment | After treatment | ||
C group | 76 | 0.61 ± 0.23 | 0.77 ± 0.16 | 0.65 ± 0.17 | 0.71 ± 0.11 | 0.72 ± 0.13 | 0.77 ± 0.12 |
R group | 76 | 0.64 ± 0.21 | 0.92 ± 0.14 | 0.68 ± 0.14 | 0.92 ± 0.17 | 0.68 ± 0.18 | 0.89 ± 0.13 |
t | Â | 0.840 | 6.151 | 1.187 | 9.041 | 1.571 | 5.913 |
P |  |  > 0.05 |  < 0.01 |  > 0.05 |  < 0.01 |  > 0.05 |  < 0.01 |