Table 1.
Demographics and characteristics for Group I and Group II patients
| Variable | Group I (no PAO) | Group II (PAO) | p value |
|---|---|---|---|
| Number of patients/hips | 50/52 | 44/45 | |
| Sex (number of hips in females) | 16 (30.8%) | 22 (48.9%) | 0.07 |
| Age (years)* | 18.4 (10.5–44.1) | 19.6 (12.6–44.8) | 0.03 |
| Side (number of right hips) | 23 (44.2%) | 21 (46.7%) | 0.81 |
| BMI* | 25.2 (14.8–41.9) | 24.8 (19.1–31.7) | 0.6 |
| Any previous surgery (number of hips) | 22 (42.3%) | 15 (33.3%) | 0.364 |
| Proximal femoral osteotomy | 10 (19.2%) | 8 (17.8%) | |
| Femoral osteochondroplasty | 0 | 3 (6.7%) | |
| Pelvic osteotomy | 8 (15.4%) | 4 (8.9%) | |
| Trochanteric advancement | 2 (1.9%) | 2 (4.4%) | |
| Relative neck lengthening | 0 | 3 (6.7%) | |
| Surgical dislocation | 0 | 4 (8.9%) | |
| Hip arthroscopy | 3 (5.8%) | 1 (2.2%) | |
| Femoral lengthening | 2 (3.8%) | 0 | |
| ORIF femoral neck | 1 (1.9%) | 0 | |
| SCFE pinning | 1 (1.9%) | 0 | |
| I&D | 1 (1.9%) | 0 | |
| Preoperative Harris hip score (points) (n = 43 hips/group) | |||
| Mean | 56.9 (23.1–79.2) | 59.0 (28.6–92.4) | 0.88 |
| Median | 58.3 | 59.4 | 0.88 |
* Values are expressed as median, with range in parentheses; PAO = periacetabular osteotomy; ORIF = open reduction and internal fixation; SCFE = slipped capital femoral epiphysis; I&D = irrigation and débridement.