Table II.
Post-operative outcome measurements
| Arthroscopy (n = 52) |
No arthroscopy (n = 104) |
P | |
|---|---|---|---|
| Outcome | Mean ± SD | Mean±SD | |
| Radiographic measurements | |||
| Tönnis classification | |||
| 0 | 0 (0%) | 0 (0%) | 0.45 |
| 1 | 24 (53%) | 51 (61%) | |
| 2 | 18 (40%) | 27 (33%) | |
| 3 | 3 (7%) | 5 (6%) | |
| 4 | 0 (0%) | 0 (0%) | |
| LCEA (°) | 30.8±7.62 | 30.6±6.34 | 0.86 |
| ACEA (°) | 35.9±9.84 | 31.6±10.57 | 0.03 |
| Acetabular index | 4.3±4.24 | 4.3±4.67 | 0.95 |
| Patient-reported outcomes | |||
| Modified Harris hip score | 77.9±17.88 | 86.7±13.82 | 0.003 |
| >80 | 24 (46%) | 77 (74%) | 0.001 |
| >90 | 16 (31%) | 56 (54%) | 0.01 |
| UCLA activity score | 7.1±2.40 | 7.6±2.13 | 0.21 |
| WOMAC pain | 80.1±20.67 | 89.6±14.62 | 0.01 |
| WOMAC stiffness | 76.8±20.79 | 83.8±16.60 | 0.046 |
| WOMAC physical | 85.5±17.43 | 91.9±13.02 | 0.03 |
| WOMAC total | 84.1±17.14 | 90.8±13.06 | 0.02 |
| SF12 PCS | 46.0±10.55 | 50.1±8.85 | 0.02 |
| SF12 MCS | 55.0±9.26 | 54.7±7.22 | 0.83 |