Table 4.
Summary table demonstrating AVN rates, radiological and clinical results, and rate/further procedures by type/surgery*
| Parameter | Surgical intervention | |||
|---|---|---|---|---|
| Open reduction | Open reduction and pelvic osteotomy | Open reduction and femoral osteotomy | Open reduction and both pelvic and femoral osteotomies | |
| Mean age at the time/surgery (months) | 17 | 23 | 28 | 28 |
| Clinically relevant AVN (%) | 4% (3/69) | 17% (50/290) | 18% (12/67) | 24% (86/366) |
| Satisfactory radiological result (%) | 97% (67/69) | 88% (321/363) | 95% (19/20) | 83% (304/366) |
| Satisfactory clinical result (%) | 100% (58/58) | 86% (205/238) | 50% (2/4) | 85% (293/341) |
| Further procedures | 56% (9/16) | 11% (25/222) | 29% (20/67) | 8% (7/86) |
* Numbers in parentheses indicate number/hips that have outcome as numerator and total number/hips available for analysis as denominator; AVN = avascular necrosis.