Table 4. The BMDs of the subjects of each genotype.
| BMD (g/cm2) |
ACTN3 polymorphism | |||
|---|---|---|---|---|
| Total (n=68) | RR (n=12) | RX (n=35) | XX (n=21) | |
| Head | 1.847 ± 0.279 | 1.919 ± 0.187 | 1.827 ± 0.289 | 1.837 ± 0.309 |
| Arms | 0.773 ± 0.070 | 0.806 ± 0.084 | 0.755 ± 0.071 | 0.784 ± 0.049 |
| Legs | 1.068 ± 0.140 | 1.078 ± 1.076 | 1.066 ± 0.176 | 1.064 ± 0.083 |
| Trunk | 0.796 ± 0.059 | 0.834 ± 0.057* | 0.778 ± 0.061+ | 0.806 ± 0.047 |
| Ribs | 0.576 ± 0.043 | 0.588 ± 0.043 | 0.566 ± 0.047 | 0.585 ± 0.037 |
| Pelvis | 0.955 ± 0.081 | 1.007 ± 0.073* | 0.933 ± 0.083+ | 0.961 ± 0.067 |
| Spine | 0.917 ± 0.089 | 0.970 ± 0.077* | 0.888 ± 0.090+ | 0.934 ± 0.077 |
| Total | 1.001 ± 0.071 | 1.041 ± 0.075 | 0.993 ± 0.075 | 1.017 ± 0.057 |
Values are mean ± SD. BMD: bone mineral density. *Analyzed by one-way ANOVA (p<0.05). +p<0.05 vs. RR genotype