Table 1.
Demographic characteristics of study groups
| Parameter | Nonoperative group | Operative group | p value |
|---|---|---|---|
| Number of patients (hips) | 20 (20) | 19 (20) | – |
| Age (years) | 36 ± 8 (21–47) | 30 ± 8 (19–47) | 0.026 |
| Number of hips with Tönnis osteoarthritis Grade > 0 (%) | 9 (45) | 9 (45) | 1 |
| Side (% [hips] left of all hips per group) | 9 (45) | 10 (50) | 0.653 |
| Sex (% [hips] women of all hips per group) | 12 (60) | 6 (30) | 0.003 |
| Height (cm) | 170 ± 7 (159–181) | 174 ± 9 (162–188) | 0.154 |
| Weight (kg) | 71 ± 10 (53–82) | 75 ± 13 (53–92) | 0.309 |
| Body mass index (kg/m2) | 25 ± 4 (19–32) | 25 ± 4 (19–31) | 0.862 |
| Followup (years) | 1.1 (1–1.3) | 1.3 (1–1.9) | 0.636 |
Values are mean ± SD with ranges in parentheses.