Table 3.
between group differences at day 4 after surgery (scheduled hospital discharge) T1 and differences between status 14 days prior to surgery and 4 days after surgery
| Variable | Experimental group n = 21 | Control group n = 22 | Mean difference | 95%CI | P-value | Differences between t0 and t1 | Mean difference | 95%CI | P-value | |||||
| Experimental group | Control group | |||||||||||||
| Mean | sd | Mean | sd | Mean | sd | Mean | sd | |||||||
| ROM active extension (degrees) | 8.4 | 5.1 | 7.8 | 5.6 | 0.56 | -2.7 – 3.8 | 0.73 | 0.71 | 8.6 | 0.14 | 5.2 | 0.57 | -3.9 – 5.0 | 0.46 |
| ROM passive extension (degrees) | 5.5 | 4.5 | 5.8 | 4.9 | -0.3 | -3.2 – 2.6 | 0.81 | 0.1 | 7.2 | 0.4 | 4.7 | -0.3 | -4.2 – 3.2 | 0.78 |
| Rom active flexion (degrees) | 69.8 | 11.9 | 70.4 | 13.3 | -0.5 | -8.3 – 7.3 | 0.90 | 36.1 | 22.0 | 31.5 | 17.8 | 4.6 | -7.8 -16.9 | 0.79 |
| ROM passive flexion (degrees) | 77.7 | 11.2 | 77.9 | 12.8 | -0.2 | -7.7 – 7.2 | 0.95 | 36.6 | 17.9 | 32.1 | 18.4 | 4.5 | -6.8 – 15.6 | 0.43 |
| Functional status KSS knee | 54.3 | 15.2 | 52.2 | 17.8 | 1.1 | -8.7 – 12.3 | 0.68 | 9.3 | 22.7 | 4.4 | 26.3 | 4.9 | -20 – 10.2 | 0.52 |
| Functional status KSS function | 29.3 | 10.7 | 22.9 | 13.2 | -6.4 | -1.1 – 13.8 | 0.09 | -24 | 23.4 | -29 | 19.3 | -5 | -18 – 7.9 | 0.43 |
| Length of stay | 4.1 | 0.9 | 4.5 | 1.3 | 0.4 | -0.3 – 1.0 | 0.34 | - | - | - | - | |||
| Pain (11 point scale) | 3.6 | 2.3 | 3.6 | 2.8 | 0 | -1.6 – 1.6 | 0.97 | -0.14 | 3.1 | 0.1 | 3.5 | 0.04 | -1.8 – 2.3 | 0.82 |
| Satisfaction with treatment (11-point scale) | 9.1 | 0.8 | 9.1 | 0.7 | 0 | -0.5 – 0.5 | 0.99 | - | - | - | - | |||