SF-12 MCS, 1 yr postop | 52.3 ± 10.4 | 52.3 ± 10.9 | 0.79 |
SF-12 MCS, 2 yr postop | 53.6 ± 9.2 | 54.9 ± 9.7 | 0.69 |
SF-12 PCS, 1 yr postop | 41.0 ± 10.1 | 44.0 ± 10.4 | 0.12 |
SF-12 PCS, 2 yr postop | 32.4 ± 10.5 | 42.5 ± 10.3 | 0.95 |
WOMAC pain, 1 yr postop | 80.0 ± 20.7 | 81.4 ± 18.2 | 0.71 |
WOMAC pain, 2 yr postop | 82.9 ± 16.8 | 81.1 ± 32.9 | 0.86 |
WOMAC stiffness, 1 yr postop | 70.4 ± 24.1 | 72.1 ± 19.4 | 0.68 |
WOMAC stiffness, 2 yr postop | 79.1 ± 18.8 | 71.1 ± 26.8 | 0.28 |
WOMAC function, 1 yr postop | 78.5 ± 20.2 | 78.9 ± 18.3 | 0.92 |
WOMAC function, 2 yr postop | 82.6 ± 18.1 | 83.2 ± 21.9 | 0.93 |
WOMAC total, 1 yr postop | 77.8 ± 19.7 | 78.9 ± 16.6 | 0.78 |
WOMAC total, 2 yr postop | 81.8 ± 15.6 | 83.3 ± 21.3 | 0.81 |
Extension, °, 1 yr postop | 0.2 ± 1.4 | 0.5 ± 1.8 | 0.31 |
Extension, °, 2 yr postop | 0.7 ± 1.8 | 0.8 ± 1.9 | 0.82 |
Flexion, °, 1 yr postop | 119.4 ± 10.3 | 114.7 ± 19.3 | 0.13 |
Flexion, °, 2 yr postop | 120.2 ± 9.6 | 114.6 ± 11.2 | 0.13 |
KSS function, 1 yr postop | 83.2 ± 21.2 | 85.2 ± 18.9 | 0.61 |
KSS function, 2 yr postop | 85.0 ± 19.8 | 90.9 ± 12.2 | 0.29 |
KSS knee, 1 yr postop | 91.5 ± 11.6 | 93.0 ± 9.8 | 0.50 |
KSS knee, 2 yr postop | 91.4 ± 13.7 | 90.6 ± 12.8 | 0.87 |
KSS total, 1 yr postop | 173.5 ± 28.9 | 176.3 ± 25.6 | 0.63 |
KSS total, 2 yr postop | 174.4 ± 31.6 | 184.4 ± 19.0 | 0.28 |