Table 1 Demographics of 32 hips in 32 distinct patients with ONFH
| Propensity-score parameters | End results after follow-up | p-value | |
|---|---|---|---|
| Non-collapsed | Collapsed | ||
| Age (years) | 49.4 ± 14.2 (21–75) | 48.7 ± 13.5 (26–79) | 0.958 |
| Sex (male: female) | 9: 7 | 9: 7 | 1.000 |
| BMI (kg/m2) | 23.3 ± 4.7 | 25.1 ± 6.2 | 0.944 |