Supplemental Table 2.
Preoperative and 1-year postoperative PRO scores by CPAK classification.
| Outcome measure | Within 2° of constitutional | >2° from constitutional | Total | P value |
|---|---|---|---|---|
| CPAK class I | (n = 35) | (n = 22) | (n = 57) | |
| KOOS JR | ||||
| Preoperative | 45.6 (15.0) | 44.7 (15.8) | 45.2 (15.2) | .84 |
| 1 y postoperative | 64.7 (18.4) | 74.0 (15.7) | 68.3 (17.9) | .054 |
| PROMIS Physical Health | ||||
| Preoperative | 38.7 (6.3) | 42.2 (5.7) | 40.1 (6.3) | .039 |
| 1 y postoperative | 45.9 (8.5) | 51.0 (8.2) | 47.9 (8.7) | .028 |
| PROMIS Mental Health | ||||
| Preoperative | 48.6 (8.5) | 53.8 (6.7) | 50.6 (8.2) | .018 |
| 1 y postoperative | 51.2 (9.1) | 53.4 (8.0) | 52.0 (8.7) | .36 |
| EQ-5D | ||||
| Preoperative | 0.6 (0.1) | 0.7 (0.1) | 0.7 (0.1) | .067 |
| 1 y postoperative | 0.73 (0.12) | 0.77 (0.08) | 0.74 (0.11) | .17 |
| Pain VAS score | ||||
| Preoperative | 6.9 (1.7) | 6.4 (2.0) | 6.7 (1.9) | .3 |
| 1 y postoperative | 3.6 (2.6) | 2.7 (2.1) | 3.2 (2.4) | .18 |
| CPAK class II | (n = 48) | (n = 20) | (n = 68) | |
| KOOS JR | ||||
| Preoperative | 46.2 (13.5) | 48.0 (16.1) | 46.7 (14.2) | .64 |
| 1 y postoperative | 73.3 (18.8) | 75.4 (19.7) | 73.9 (18.9) | .68 |
| PROMIS Physical Health | ||||
| Preoperative | 41.0 (6.6) | 38.5 (7.2) | 40.2 (6.8) | .18 |
| 1 y postoperative | 48.6 (8.6) | 45.4 (9.5) | 47.7 (8.9) | .17 |
| PROMIS Mental Health | ||||
| Preoperative | 50.8 (6.9) | 50.1 (8.2) | 50.6 (7.2) | .71 |
| 1 y postoperative | 53.7 (7.5) | 50.9 (9.8) | 52.8 (8.3) | .21 |
| EQ-5D | ||||
| Preoperative | 0.7 (0.1) | 0.6 (0.1) | 0.7 (0.1) | .46 |
| 1 y postoperative | 0.75 (0.10) | 0.72 (0.13) | 0.74 (0.11) | .3 |
| Pain VAS score | ||||
| Preoperative | 6.0 (2.1) | 6.5 (2.0) | 6.2 (2.1) | .41 |
| 1 y postoperative | 3.0 (2.3) | 2.9 (2.4) | 3.0 (2.3) | .85 |
| CPAK class III | (n = 7) | (n = 38) | (n = 45) | |
| KOOS JR | ||||
| Preoperative | 49.5 (18.1) | 41.1 (13.8) | 42.4 (14.6) | .16 |
| 1 y postoperative | 80.6 (9.7) | 73.3 (16.5) | 74.4 (15.8) | .26 |
| PROMIS Physical Health | ||||
| Preoperative | 40.7 (7.0) | 40.7 (6.3) | 40.7 (6.3) | .99 |
| 1 y postoperative | 51.7 (6.4) | 48.8 (8.4) | 49.3 (8.1) | .4 |
| PROMIS Mental Health | ||||
| Preoperative | 53.8 (9.1) | 52.6 (7.6) | 52.8 (7.7) | .72 |
| 1 y postoperative | 55.1 (4.0) | 54.2 (9.4) | 54.3 (8.8) | .81 |
| EQ-5D | ||||
| Preoperative | 0.7 (0.1) | 0.7 (0.1) | 0.7 (0.1) | .82 |
| 1 y postoperative | 0.79 (0.07) | 0.75 (0.11) | 0.76 (0.10) | .35 |
| Pain VAS score | ||||
| Preoperative | 6.6 (1.5) | 6.8 (1.9) | 6.8 (1.8) | .72 |
| 1 y postoperative | 1.7 (1.9) | 2.9 (2.7) | 2.7 (2.6) | .27 |
Values presented as mean (standard deviation).
EQ-5D, European Quality of Life 5-dimension; VAS, visual analog scale.