TABLE 3.
PA spine BMD Z-score |
Total hip BMD Z-score |
Femoral neck BMD Z-score |
Intertrochanteric section modulus (cm3) |
Narrow neck section modulus (cm3) |
Femoral shaft section modulus (cm3) |
Intertrochanteric buckling ratio |
Narrow neck buckling ratio |
Femoral shaft buckling ratio |
||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
R | P | R | P | R | P | R | P | R | P | R | P | R | P | R | P | R | P | |
Duration of illness (patient report, y) | −0.53 | 0.0002a | −0.58 | <0.0001a | −0.51 | 0.0003a | −0.47 | 0.0009a | −0.54 | 0.0001a | −0.37 | 0.01a | 0.59 | <0.0001a | 0.55 | <0.0001a | 0.57 | 0.001a |
Highest past BMI (kg/m2) |
0.60 | <0.0001a | 0.55 | <0.0001a | 0.54 | <0.0001a | 0.70 | <0.0001a | 0.60 | <0.0001a | 0.75 | <0.0001a | −0.32 | 0.02 | −0.38 | 0.007 | −0.25 | 0.08a |
Lowest past BMI (kg/m2) |
0.57 | <0.0001 | 0.44 | 0.002 | 0.43 | 0.003 | 0.53 | 0.0002 | 0.46 | 0.001 | 0.59 | <0.0001a | −0.22 | 0.15 | −0.23 | 0.12 | 0.08 | 0.6 |
Remained significant after controlling for BMI at P ≤ 0.05.