Table 1.
Patient demographics
| Variables | DBM group | ACB group |
|---|---|---|
| Patients/hips (n) | 24/30 | 24/30 |
| Age (years) | 37 (24–52) | 37 (20–55) |
| Male/female (patients) | 18/6 | 18/6 |
| Right/left (hips) | 14/16 | 17/13 |
| Bilateral disease (patients) | 6 | 6 |
| Body mass index (kg/m2) | 22–32 | 21–33 |
| Duration of symptoms (months) | 6.4 ± 6.3 | 7.6 ± 6.4 |
| Mean preop Harris hip score (points) | 70 | 70 |
| Steinberg stage (hips) | ||
| Stage IIC | 6 | 6 |
| Stage IIIC | 14 | 14 |
| Stage IVC | 10 | 10 |
| Medical history (patients/hips) | ||
| Corticosteroids | 11/14 | 11/14 |
| Alcoholism | 6/7 | 6/7 |
| Idiopathic | 7/9 | 7/9 |
| Duration of follow-up (months) | 26 (24–38) | 26 (24–40) |
DBM demineralised bone matrix, ACB autologous cancellous bone