Table 8.
PRO Measures (Change and Early Postoperative) vs. Preoperative Expectations.
| PRO Measure: | Mean Score (±SD) | Spearman’s ρ∗ | p-value |
|---|---|---|---|
| CHANGE (2-WEEK SCORE – PREOPERATIVE SCORE): | |||
| PROMIS Physical Function | −6.53 (9.99) | −0.08 | 0.11 |
| PROMIS Social Satisfaction | −3.39 (10.11) | −0.007 | 0.88 |
| PROMIS Pain Interference | 1.61 (8.54) | 0.01 | 0.81 |
| PROMIS Fatigue | 2.90 (10.54) | 0.07 | 0.14 |
| PROMIS Anxiety | −1.27 (8.39) | −0.01 | 0.81 |
| PROMIS Depression | 0.73 (7.99) | 0.05 | 0.34 |
| Joint Pain | −0.75 (2.92) | −0.02 | 0.75 |
| Pain in the rest of the body | 0.34 (2.14) | −0.07 | 0.14 |
| IPAQ MET-Minutes/Week | −3641 (6336) | −0.15 | 0.033 |
| Tegner Score | −1.10 (1.90) | −0.09 | 0.06 |
| EARLY POSTOPERATIVE (2 WEEKS): | |||
| PROMIS Physical Function | 35.53 (8.90) | −0.01 | 0.78 |
| PROMIS Social Satisfaction | 38.99 (8.07) | 0.01 | 0.84 |
| PROMIS Pain Interference | 61.68 (7.63) | 0.03 | 0.58 |
| PROMIS Fatigue | 54.43 (10.02) | −0.01 | 0.85 |
| PROMIS Anxiety | 53.63 (9.55) | −0.01 | 0.80 |
| PROMIS Depression | 49.43 (10.49) | −0.04 | 0.44 |
| NPS Joint | 4.09 (2.38) | −0.05 | 0.27 |
| NPS Body | 1.68 (2.15) | −0.19 | < 0.0001 |
| IPAQ MET-Minutes/Week | 3854 (3707) | −0.07 | 0.27 |
| Tegner Score, Current | 1.15 (1.35) | 0.04 | 0.37 |
| Social Satisfaction | 69.14 (15.99) | 0.08 | 0.09 |
| Improvement | 56.01 (24.75) | 0.05 | 0.31 |
∗ρ, Spearman’s rank correlation coefficient (vs. Mean Preoperative Expectations).