Table 4.
Patient-reported outcomes data.
| Variable (mean ± SD) | Preoperative, N = 3131 | 6 Wk, N = 3086 | 6 Mo, N = 413 | 1 Y, N = 1612 | P value (preoperative vs 1 y) |
|---|---|---|---|---|---|
| HOOS Jr. Interval Score | 41.0 ± 15.5 | 76.5 ± 13.1 (P ≤ .0001) | 86.8 ± 15.3 (P ≤ .001) | 88.0 ± 14.3 (P = .056) | ≤.001 |
| VAS pain | 5.6 ± 2.2 | 1.5 ± 1.7 (P ≤ .0001) | 0.95 ± 1.6 (P ≤ .0001) | 0.90 ± 1.7 (P = .256) | ≤.001 |
| SANE | 41.6 ± 21.3 | 77.1 ± 18.0 (P ≤ .0001) | 89.8 ± 15.3 (P ≤ .0001) | 90.2 ± 15.6 (P = .277) | ≤.001 |
| UCLA | 4.3 ± 1.8 | 4.9 ± 1.4 (P ≤ .0001) | 6.1 ± 1.9 (P ≤ .0001) | 6.4 ± 1.9 (P = .002) | ≤.001 |
| PROMIS-10 | |||||
| Mental | 50.4 ± 7.4 | 51.6 ± 7.0 (P ≤ .0001) | 51.4 ± 6.9 (P = .192) | 52.0 ± 7.2 (P = .0162) | ≤.001 |
| Physical | 39.9 ± 5.3 | 45.0 ± 5.5 (P ≤ .0001) | 46.9 ± 6.2 (P ≤ .0001) | 47.4 ± 6.3 (P = .0377) | ≤.001 |
| Satisfaction | |||||
| Pain | N/A | 8.9 ± 1.7 | 9.4 ± 1.3 | 9.4 ± 1.3 | |
| Functional improvement | N/A | 8.6 ± 1.7 | 9.3 ± 1.4 | 9.3 ± 1.3 | |
| Meeting expectations | N/A | 9.0 ± 1.7 | 9.4 ± 1.5 | 9.4 ± 1.4 |
HOOS Jr., Hip disability and Osteoarthritis Outcome Score for Joint Replacement; N/A, not available; PROMIS-10, Patient-Reported Outcomes Measurement Information System 10-Question Short-Form; SANE, single assessment numeric evaluation; SD, standard deviation; UCLA, University of California and Los Angeles; VAS, visual analog scale.