From: Insufficient blood supply of fovea capitis femoris, a risk factor of femoral head osteonecrosis
Characteristic | Univariate OR (95% CI) | P value |
---|---|---|
Number of nutrient foramina | 0.51 (0.40–0.66) | < 0.001 |
Area | ||
Total area of nutrient foramina, mm2 | 0.58 (0.44–0.77) | < 0.001 |
Mean area of nutrient foramina, mm2 | 0.52 (0.30–0.92) | 0.023 |
Diameter | ||
Maximum diameter of the nutrient foramen, mm | 0.26 (0.15–0.45) | < 0.001 |
Minimum diameter of the nutrient foramen, mm | 0.20 (0.10–0.42) | < 0.001 |