Variables | Total (n = 94) | Vitamin D-deficient group (n = 48) | Vitamin D-sufficient group (n = 46) | p value |
---|---|---|---|---|
Mean age, year | 58.8 ± 8.1 | 58.0 ± 8.1 | 59.7 ± 8.0 | n.s. |
Sex, n (M/F) | 33/61 | 21/27 | 12/34 | n.s. |
BMI, kg/m2 | 26.4 ± 3.7 | 26.4 ± 4.1 | 26.5 ± 3.4 | n.s. |
Preoperative mechanical alignment (°, varus) | 5.9 ± 2.9 | 5.5 ± 2.9 | 6.3 ± 2.9 | n.s. |
Preoperative IKDC score | 31.8 ± 14.0 | 31.8 ± 14.2 | 31.9 ± 13.9 | n.s. |
Outerbridge classification (no.) | ||||
1 | 2 | 1 | 1 | n.s. |
2 | 18 | 8 | 10 | |
3 | 25 | 11 | 14 | |
4 | 49 | 28 | 21 |