Table 4. Multivariate linear regression analysis for ALMI with FAI.
| Variable | Model 1 | Model 2 | Model 3 | |||
|---|---|---|---|---|---|---|
| p<0.001 R2 = 16.5% | p<0.001 R2 = 24.6% | p<0.001 R2 = 36.3% | ||||
| B (95% CI) | p | B (95% CI) | p | B (95% CI) | p | |
| FAI | 0.246 (0.138, 0.354) | <0.001 | 0.159 (0.044, 0.274) | 0.007 | 0.107 (−0.002, 0.215) | 0.054 |
| FMI, kg/m2 | - | - | 0.077 (0.032, 0.122) | 0.001 | 0.063 (0.020, 0.105) | 0.004 |
| Total femur BMD, g/cm2 | - | - | - | - | 2.352 (1.271, 3.434) | <0.001 |
ALMI: appendicular lean mass index; FAI: free androgen index; FMI: fat mass index; BMD: bone mineral density.