Table 4 Comparison of patient-reported outcome measures based on the degree of CPAK change
No CPAK change (n = 75) | Minor CPAK Change (n = 73) | Major CPAK Change (n = 16) | p-Value | |
|---|---|---|---|---|
Preoperative HSS score | 63.0 ± 12.8 | 63.4 ± 17.2 | 52.0 ± 14.0 | 0.281 |
Preoperative KS knee score | 53.2 ± 18.1 | 56.9 ± 15.0 | 41.5 ± 15.4 | 0.104 |
Preoperative KS function score | 38.0 ± 16.5 | 38.6 ± 16.9 | 34.7 ± 12.6 | 0.850 |
Preoperative WOMAC pain | 10.7 ± 3.8 | 10.8 ± 4.8 | 10.6 ± 3.7 | 0.991 |
Preoperative WOMAC stiffness | 4.1 ± 1.9 | 3.8 ± 2.2 | 4.1 ± 0.7 | 0.904 |
Preoperative WOMAC physical function | 34.5 ± 7.4 | 31.3 ± 8.3 | 37.0 ± 7.0 | 0.075 |
Preoperative WOMAC total | 49.2 ± 10.3 | 46.0 ± 10.7 | 51.7 ± 9.6 | 0.225 |
Preoperative FJS | 9.8 ± 9.5 | 10.1 ± 12.1 | 17.7 ± 10.3 | 0.644 |
1Y HSS score | 88.1 ± 9.5 | 82.8 ± 13.7 | 86.0 ± 9.8 | 0.130 |
1Y KS knee score | 90.4 ± 7.1 | 86.8 ± 10.1 | 82.4 ± 14.5 | 0.019* |
1Y KS function score | 66.1 ± 18.9 | 63.1 ± 19.8 | 62.6 ± 21.0 | 0.688 |
1Y WOMAC pain | 2.9 ± 3.0 | 4.1 ± 3.8 | 4.5 ± 4.3 | 0.155 |
1Y WOMAC stiffness | 1.6 ± 1.6 | 2.0 ± 1.7 | 1.7 ± 2.2 | 0.409 |
1Y WOMAC physical function | 15.4 ± 8.9 | 16.7 ± 10.6 | 17.2 ± 12.3 | 0.732 |
1Y WOMAC total | 19.8 ± 11.9 | 22.8 ± 14.3 | 23.4 ± 17.6 | 0.467 |
1Y FJS | 53.3 ± 25.1 | 58.3 ± 19.7 | 50.0 ± 26.0 | 0.754 |