Logistic regression analysis for the presence of nontraumatic ONFH.
| Risk Factor | Simple Regression | Multiple Regression | ||
|---|---|---|---|---|
| OR (95% CI) | p | OR (95% CI) | p | |
| Age, yrs | 1.041 (0.963–1.069) | 0.592 | ||
| BMI, kg/m2 | 1.059 (0.915–1.162) | 0.619 | ||
| Total cholesterol, mg/dl | 1.037 (0.987–1.034) | 0.18 | ||
| HDL cholesterol, mg/dl | 0.967 (0.937–1.004) | 0.078 | ||
| LDL cholesterol, mg/dl | 1.548 (0.931–2.576) | 0.092 | ||
| LDL/HDL ratio | 1.113 (1.018–1.454) | 0.012 | 1.108 (1.009–1.507) | 0.043 |
| Triglycerides, mg/dl | 1.393 (0.876–2.113) | 0.164 | ||
| Apo B/apo A1 ratio | 1.274 (1.218–1.333) | < 0.001 | 1.269 (1.209–1.333) | < 0.001 |
| CRP, mg/l | 1.336 (1.005–1.701) | 0.036 | 1.145 (0.778–1.628) | 0.521 |
| Adiponectin, μg/ml | 0.727 (0.661–0.798) | < 0.001 | 0.676 (0.546–0.845) | < 0.001 |
ONFH: osteonecrosis of the femoral head; BMI: body mass index; HDL: high-density lipoprotein; LDL: low-density lipoprotein; CRP: C-reactive protein.