Outcome measurement | PFC Sigma (N = 59)* Mean ± SD | ATTUNE (N = 54)* Mean ± SD | p-value |
---|---|---|---|
Timed up and go test | |||
Baseline (n = 59/54)** | 21.5 ± 10.9 | 23.9 ± 14.8 | 0.425 |
3 months (n = 55/53)** | 17.3 ± 7.2 | 19.4 ± 9.2 | 0.276 |
1 year (n = 55/47)** | 14.3 ± 5.6 | 15.6 ± 5.6 | 0.322 |
5 years (n = 41/39)** | 16.9 ± 9.9 | 16.8 ± 5.6 | 0.949 |
Two-minute walk test | |||
Baseline (n = 59/54)** | 45.8 ± 21.5 | 45.3 ± 18.5 | 0.919 |
3 months (n = 55/53)** | 60.4 ± 20.7 | 55.6 ± 18.2 | 0.293 |
1 year (n = 55/47)** | 69.4 ± 19.0 | 63.8 ± 15.6 | 0.164 |
5 years (n = 41/39)** | 64.1 ± 21.5 | 62.5 ± 16.2 | 0.709 |
Numerical rating scale-pain | |||
Baseline (n = 59/54)** | 7.4 ± 1.9 | 7.7 ± 1.6 | 0.447 |
3 months (n = 56/54)** | 1.6 ± 1.3 | 1.5 ± 0.9 | 0.560 |
1 year (n = 56/51)** | 0.8 ± 1.2 | 0.6 ± 0.7 | 0.561 |
5 years (n = 44/41)** | 0.3 ± 0.6 | 0.4 ± 0.8 | 0.734 |
Range of motion (degrees) | |||
Baseline (n = 59/54)** | 102.0 ± 21.6 | 98.9 ± 13.6 | 0.522 |
3 months (n = 55/53)** | 105.7 ± 11.2 | 105.3 ± 7.6 | 0.855 |
1 year (n = 55/50)** | 106.5 ± 10.3 | 109.6 ± 7.9 | 0.203 |
5 years (n = 55/50)** | 110.0 ± 10.8 | 115.8 ± 9.9 | 0.041 |
Modified knee score | |||
Baseline (n = 59/54)** | 44.9 ± 11.3 | 45.2 ± 10.5 | 0.884 |
3 months (n = 57/54)** | 87.2 ± 6.5 | 87.5 ± 4.1 | 0.761 |
1 year (n = 56/51)** | 90.9 ± 7.9 | 91.4 ± 6.1 | 0.696 |
5 years (n = 55/53)** | 93.8 ± 6.4 | 95.0 ± 4.2 | 0.276 |