Table 3.
PROMIS PF scores by gender.
| PROMIS | Male (N = 115) | Female (N = 77) | †p-value∗ |
|---|---|---|---|
| PROMIS (Mean ± SD) | |||
| Preoperative | 35.5 ± 6.0 | 34.2 ± 6.2 | 0.139 |
| 6-week | 37.1 ± 6.9 | 36.0 ± 6.8 | 0.329 |
| 3-month | 40.6 ± 7.5 | 40.9 ± 7.8 | 0.833 |
| 6-month | 44.2 ± 7.5 | 42.7 ± 7.9 | 0.290 |
| 1-year |
45.3 ± 9.5 |
43.9 ± 10.0 |
0.479 |
| Postoperative Change (Postop – Preop) (Mean ± SD) | |||
| 6-week Δ | 1.3 ± 6.5 | 2.2 ± 6.7 | 0.433 |
| 3-month Δ | 4.2 ± 6.8 | 7.6 ± 8.7 | 0.016 |
| 6-month Δ | 8.5 ± 6.8 | 7.4 ± 9.1 | 0.446 |
| 1-year Δ | 9.8 ± 7.2 | 9.5 ± 8.8 | 0.873 |
SD=Standard Deviation; PROMIS PF = Patient Reported Outcomes Measurement Information System Physical Function.
Δ = Postoperative PROMIS – Preoperative PROMIS.
†p-values calculated for each category using multivariate linear regression.
∗Boldface indicate statistical significance.