Table 3.
Sciatic nerve injury and risk factors
| Sciatic nerve injury | |||
|---|---|---|---|
| Variable | + (joints) | – (joints) | p value |
| Fisher’s exact test | |||
| LL | |||
| >5 cm | 2 | 5 | 0.0256 |
| <5 cm | 0 | 34 | |
| % of LL/BH | |||
| >3.5% | 2 | 2 | 0.0073 |
| <3.5% | 0 | 37 | |
| False acetabulum | |||
| + | 0 | 18 | 0.4951 |
| – | 2 | 21 | |
| Previous operation | |||
| + | 0 | 15 | 0.3963 |
| – | 2 | 24 | |
| BMI | |||
| <25kg/m2 | 2 | 35 | 0.6335 |
| 25 to <30kg/m2 | 0 | 4 | |
| preoperative hip flexion angle | |||
| 0–30° | 0 | 1 | 0.4516 |
| 31–60° | 1 | 12 | |
| 61–90° | 0 | 20 | |
| 91–120° | 1 | 6 | |
LL: leg lengthening
BH: Body height
% of LL/BH: Leg Lengthening /Body height ×100
BMI: body mass index