Table 3 Comparison of postoperative outcomes between patients with and without vitamin D insufficiency
Variables | Total (n = 94) | Vitamin D-deficient group (n = 48) | Vitamin D-sufficient group (n = 46) | P-value |
|---|---|---|---|---|
Postoperative IKDC score | 49.4 ± 13.6 | 45.8 ± 13.8 | 53.3 ± 13.1 | 0.012 |
Change of IKDC score after operation | 17.6 ± 13.2 | 14.0 ± 12.4 | 21.4 ± 13.0 | 0.006 |
Postoperative mechanical alignment (°, valgus) | 3.0 ± 2.7 | 3.3 ± 2.5 | 2.7 ± 3.0 | n.s. |
Correction of angle (°) | 8.9 ± 3.0 | 8.8 ± 3.3 | 9.0 ± 2.8 | n.s. |
Outerbridge classification (no.) | ||||
1 | 9 | 4 | 5 | n.s. |
2 | 22 | 9 | 13 | |
3 | 31 | 19 | 12 | |
4 | 32 | 16 | 16 | |