Table 5.
Results summary of comparison between surgical prescription*
| Parameter | AOR versus AOR/P |
AOR versus AOR/F |
AOR versus AOR/F/P |
AOR/P versus AOR/F |
AOR/P versus AOR/F/P |
AOR/F versus AOR/F/P |
|---|---|---|---|---|---|---|
| AVN | 0.21 (0.07–0.72) p = 0.004 |
0.21 (0.06–0.78) p = 0.014 |
0.15 (0.045–0.48) p < 0.001† |
0.95 (0.48–1.91) p = 0.856 |
0.68 (0.46–1.00) p = 0.052 |
0.71 (0.36–1.39) p = 0.345 |
| Radiological outcome | 4.38 (1.04–18.55) p = 0.029 |
1.76 (0.15–20.51) p = 0.539 |
6.83 (1.63–28.63) p = 0.001† |
0.40 (0.05–3.08) p = 0.713 |
1.56 (1.02–2.38) p = 0.044 |
3.88 (0.51–29.5) p = 0.220 |
| Clinical outcome | 19.07 (1.15–316.02) p = 0.001† |
117.00 (4.35–3139.68) p = 0.003† |
19.33 (1.18–318.01) p = 0.001† |
6.21 (0.85–45.64) p = 0.101 |
1.02 (0.63–1.64) p = 1.000 |
0.16 (0.02–1.19) p =0.102 |
| Further procedures | 10.13 (3.47–29.59) p < 0.001† |
3.02 (0.99–9.24) p = 0.078 |
14.51 (4.14–50.86) p < 0.001† |
0.30 (0.15–0.58) p < 0.001† |
1.43 (0.60–3.45) p = 0.415 |
4.80 (1.89–12.21) p < 0.001† |
* Level of significance adjusted to α < 0.003; †statistically significant result; odds ratio with 95% confidence intervals in parentheses; AOR = anterior open reduction; P = pelvic osteotomy; F = femoral osteotomy; AVN = avascular necrosis.