Table 2.
Preoperative, 1-Year, and 2-Year Postoperative Mean PRO Scores a
| P | ||||||
|---|---|---|---|---|---|---|
| PRO | Preop | 1-y Postop | 2-y Postop | Preop vs 1-y Postop |
Preop vs 2-y Postop |
1- vs 2-y Postop |
| mHHS | 72.7 ± 9.4 | 87.5 ± 6.4 | 88.6 ± 12.3 | <.001 | .0051 | .78 |
| HOOS | ||||||
| Symptoms | 59.2 ± 9.5 | 74.2 ± 16.5 | 72.9 ± 13.6 | .030 | .010 | .79 |
| Pain | 60.4 ± 12.3 | 81.3 ± 16.4 | 84.2 ± 16.1 | .0034 | .0017 | .56 |
| ADL | 69.1 ±15.6 | 87.4 ± 18.6 | 90.3 ± 11.6 | .013 | .0012 | .39 |
| Sport/Recreation | 39.1 ± 14.4 | 78.7 ± 17.2 | 75.0 ± 25.4 | <.001 | <.001 | .47 |
| QoL | 25.5 ± 12.0 | 60.4 ± 15.6 | 62.5 ± 21.8 | <.001 | <.001 | .70 |
| SF-12 | ||||||
| PCS | 32.3 ± 8.0 | 48.4 ± 9.4 | 47.3 ± 11.9 | <.001 | .0040 | .80 |
| MCS | 39.3 ± 11.0 | 41.6 ± 14.1 | 38.9 ± 15.0 | .50 | .93 | .26 |
| VAS pain | 3.3 ± 2.0 | 2.2 ± 1.9 | 2.3 ± 2.0 | .19 | .17 | .91 |
a Data are reported as mean ± SD. Boldface P values indicate statistically significant difference (P < .05; paired t test). ADL, Activities of Daily Living; HOOS, Hip disability and Osteoarthritis Outcome Score; MCS, Mental Component Summary; mHHS, modified Harris Hip Score; PCS, Physical Component Summary; PRO, patient-reported outcome; QoL, Quality of Life; SF-12, 12-Item Short Form Health Survey; VAS, visual analog scale; Preop, preoperative; Postop, postoperative.