Table I.
Baseline characteristics by cohort
| Arthroscopy(n = 52) |
No arthroscopy (n = 104) |
P | |
|---|---|---|---|
| Characteristic | Mean±SD | Mean±SD | |
| Demographics | |||
| Age | 24.6±7.29 | 24.8±7.80 | 0.93 |
| Gender | 3 (6%) | 6 (6%) | 1.00 |
| BMI | 23.9±4.44 | 23.6±3.82 | 0.75 |
| Preoperative measurements | |||
| Radiographic measurements | |||
| Tönnis classification | |||
| 0 | 0 (0%) | 1 (1%) | 0.11 |
| 1 | 35 (67%) | 56 (54%) | |
| 2 | 17 (33%) | 41 (40%) | |
| 3 | 0 (0%) | 4 (4%) | |
| 4 | 0 (0%) | 1 (1%) | |
| LCEA (°) | 15.6±8.77 | 15.0±6.66 | 0.68 |
| LCEA/DDH category | |||
| Mild (>15) | 47 (90%) | 93 (90%) | 1.00 |
| Moderate (5–15) | 0 (0%) | 0 (0%) | |
| Severe (<5) | 5 (10%) | 10 (10%) | |
| ACEA (°) | 16.3±9.51 | 13.5±9.29 | 0.11 |
| Acetabular index | 15.8±5.74 | 17.2±6.42 | 0.17 |
| Patient-reported outcomes | |||
| Modified Harris hip score | 57.0±15.64 | 62.3±13.81 | 0.04 |
| UCLA activity score | 5.1±2.57 | 6.7±2.68 | 0.001 |
| WOMAC pain | 53.5±20.21 | 60.5±19.78 | 0.04 |
| WOMAC stiffness | 57.0±26.13 | 58.5±23.84 | 0.72 |
| WOMAC physical | 61.1±23.47 | 68.6±18.92 | 0.06 |
| WOMAC total | 59.9±21.67 | 66.3±18.35 | 0.08 |
| SF12 PCS | 34.2±9.99 | 40.1±10.52 | 0.001 |
| SF12 MCS | 52.2±10.62 | 52.0±9.73 | 0.92 |