Table III.
Change in radiographic and patient-reported outcome measurements
| Arthroscopy (n = 52) |
No arthroscopy(n = 104) |
P | |||
|---|---|---|---|---|---|
| Outcome | Mean | 95% CI | Mean | 95% CI | |
| Radiographic measurements | |||||
| LCEA (°) | 28.8 | (26.4 to 31.2) | 28.2 | (26.8 to 29.6) | 0.55 |
| ACEA (°) | −11.4 | (−13.6 to 27.6) | −13.0 | (−14.5 to 28.0) | 0.32 |
| Acetabular index | 19.0 | (14.5 to 27.5) | 19.1 | (16.0 to 29.5) | 0.85 |
| Patient-reported outcomes | |||||
| Modified Harris hip score | 20.8 | (14.9 to 26.7) | 24.3 | (21.1 to 27.6) | 0.30 |
| Change >10 (freq. (%)) | 35 | (67%) | 80 | (77%) | 0.27 |
| Change >20 (freq. (%)) | 28 | (54%) | 60 | (58%) | 0.78 |
| UCLA activity score | 1.9 | (1.1 to 2.7) | 0.9 | (0.4 to 1.5) | 0.06 |
| WOMAC pain | 28.1 | (19.9 to 36.4) | 29.8 | (25.6 to 34.1) | 0.54 |
| WOMAC stiffness | 20.8 | (12.1 to 29.6) | 25.1 | (20.3 to 30.0) | 0.28 |
| WOMAC physical | 27.6 | (19 to 36.1) | 27.9 | (22.9 to 32.9) | 0.73 |
| WOMAC total | 30.1 | (21.4 to 38.9) | 28.8 | (24.0 to 38.9) | 0.95 |
| SF12 PCS | 11.9 | (8.5 to 15.2) | 10.2 | (7.9 to 12.6) | 0.42 |
| SF12 MCS | 3.0 | (0.0 to 6.0) | 2.7 | (0.7 to 4.8) | 0.95 |