Table 1.
Knee function tests | Preoperative FFD | No preoperative FFD | All subjects combined | Interaction | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Base-line | Year one | p | Base-line | Year one | p | Base-line | Year one | p | p | η2 | |
FFD (°) | 16.88 (5.73) | 4.14 (6.00) | < 0.001 | 0.00 (0.00) | 1.13 (3.17) | 0.003 | 8.44 (9.39) | 2.64 (5.01) | < 0.001 | < 0.001 | .680 |
Total ROM (°) | 84.02 (18.17) | 100.66 (17.02) | < 0.001 | 102.40 (13.92) | 108.16 (12.57) | 0.002 | 93.21 (18.54) | 104.41 (15.38) | < 0.001 | 0.001 | .010 |
Maximum flexion (°) | 100.91 (15.99) | 104.80 (13.75) | 0.062 | 102.40 (13.92) | 109.29 (11.02) | < 0.001 | 101.66 (14.90) | 107.05 (12.62) | < 0.001 | 0.355 | .007 |
KSS | 23.95 (13.82) | 90.23 (7.80) | < 0.001 | 42.58 (12.33) | 93.22 (6.12) | < 0.001 | 33.27 (16.06) | 91.72 (7.15) | < 0.001 | < 0.001 | .200 |
Knee function tests | Preoperative FFD | No preoperative FFD | All subjects combined | Interaction | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Year one | Year five | p | Year one | Year five | p | Year one | Year five | p | p | η2 | |
FFD (°) | 4.14 (6.00) | 2.58 (4.77) | 0.002 | 1.13 (3.17) | 0.77 (2.95) | 0.244 | 2.64 (5.01) | 1.68 (4.06) | 0.001 | 0.042 | .032 |
Total ROM (°) | 100.66 (17.02) | 103.91 (15.37) | < 0.001 | 108.16 (12.57) | 111.70 (12.87) | < 0.001 | 104.41 (15.38) | 107.66 (14.66) | < 0.001 | 0.944 | .000 |
Maximum flexion (°) | 104.80 (13.75) | 106.49 (12.82) | < 0.001 | 109.29 (11.02) | 112.47 (11.14) | < 0.001 | 107.05 (12.62) | 109.48 (12.34) | < 0.001 | 0.264 | .010 |
KSS | 90.23 (7.80) | 90.33 (8.10) | 0.287 | 93.22 (6.12) | 92.42 (9.11) | 0.286 | 91.72 (7.15) | 91.38 (8.65) | 0.540 | 0.637 | .002 |
Knee function tests | Preoperative FFD | No preoperative FFD | All subjects combined | Interaction | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Year five | Year ten | p | Year five | Year ten | p | Year five | Year ten | p | p | η2 | |
FFD (°) | 2.58 (4.77) | 1.09 (3.09) | 0.005 | 0.77 (2.95) | 0.32 (1.87) | 0.096 | 1.68 (4.06) | 0.71 (2.57) | 0.001 | 0.058 | .028 |
Total ROM (°) | 103.91 (15.37) | 105.31 (13.14) | 0.302 | 111.70 (12.87) | 109.42 (13.06) | 0.014 | 107.66 (14.66) | 107.36 (14.66) | 0.593 | 0.207 | .038 |
Maximum flexion (°) | 106.49 (12.82) | 106.40 (12.01) | 0.932 | 112.47 (11.14) | 109.74 (11.92) | 0.001 | 109.48 (12.34) | 109.48 (12.34) | 0.039 | 0.052 | .008 |
KSS | 90.33 (8.10) | 86.94 (16.34) | 0.046 | 92.42 (9.11) | 88.35 (13.42) | 0.004 | 91.38 (8.65) | 87.64 (14.99) | 0.001 | 0.349 | .007 |
FFD fixed flexion deformity, ROM range of movement, KSS Knee Society score
Values given as mean and (standard deviation)