Influencing factors | Correction failure (N = 6) | Correction success (N = 95) | P | Logistic regression Odds ratio (95% CIa) | P |
---|---|---|---|---|---|
Age | 5.75 ± 3.55 (1.5–10) | 4.64 ± 2.55 (1–10) | 0.481 | 1.46 (0.68–3.14) | 0.331 |
Weight | 21.10 ± 11.10 (9.6–35) | 21.24 ± 7.26 (9.3–46) | 0.977 | 0.96 (0.75–1.23) | 0.762 |
Unilateral | 1 (17) | 31 (33) | 0.662 | 5.23 (0.35–77.54) | 0.229 |
Genu valgus | 3 (50) | 60 (63) | 0.670 | 1.09 (0.11–11.06) | 0.942 |
Idiopathic | 1 (17) | 47 (49) | 0.056 | 2.47 (1.20–5.10) | 0.014 |
Correction location | 0.432 | 0.41 (0.10–1.77) | 0.232 | ||
Distal femur alone | 2 (33) | 39 (41) | |||
Proximal tibia alone | 3 (50) | 23 (24) | |||
Both sites | 1 (17) | 33 (35) | |||
Preoperative location of centre of the mechanical axisb | 0.211 | 7.65 (0.55-106.61) | 0.130 | ||
2 | 1 (17) | 46 (48) | |||
3 | 5 (83) | 49 (52) |