Comparison of groups according to radiological stability (good outcome) or progression (bad outcome)
| Parameters | Good outcome (n=10) | Bad outcome (n=10) | p Value |
|---|---|---|---|
| Age (y) (SD) | 39 (6) | 47 (11) | NS3-150 |
| Histological type | |||
| I | 0 | 0 | |
| II | 5 | 2 | NS† |
| III | 2 | 4 | |
| IV | 3 | 4 | |
| Aetiological factors | |||
| Alcohol | 6 | 4 | NS† |
| Corticosteroids | 4 | 6 | |
| Both | 1 | 3 | |
| Asymptomatic hips at entry | 7 | 2 | 0.0722† |
| Volume of ON (%): mean (SD) (ranges) | 22 (10) (5–41) | 45 (20) (18–90) | 0.00513-150 |
↵3-150 Mann-Whitney, † χ2 test.