Table 5.
Mean (standard deviation) scores and responsiveness index for trial patients (n = 65) who have undergone a knee-related health improvement of "a little better or somewhat better" at six months
| Variable | Baseline | Six months | Change | Effect sizea | Responsiveness indexb |
| KQoL-26: | |||||
| Physical functioning | 57.08 (18.99) | 73.49 (15.44) | 16.41 (16.95)** | 0.86 | 2.13 |
| Activity limitations | 51.15 (25.86) | 74.62 (16.96) | 23.46 (20.19)** | 0.91 | 1.86 |
| Emotional functioning | 40.92 (20.73) | 64.31 (19.84) | 23.38 (15.46)** | 1.13 | 1.50 |
| EQ-5D | 0.60 (0.26) | 0.72 (0.13) | 0.12 (0.24)** | 0.46 | 0.51 |
| SF-36: | |||||
| Physical functioning | 54.77 (25.87) | 69.89 (19.54) | 15.12 (21.33)** | 0.58 | 1.12 |
| Role physical | 54.90 (32.09) | 69.33 (23.38) | 14.42 (26.86)** | 0.44 | 0.86 |
| Bodily pain | 46.17 (26.67) | 63.40 (19.62) | 17.23 (21.71)** | 0.65 | 0.78 |
| General health | 69.57 (18.08) | 66.08 (19.97) | -3.49 (14.60) | -0.19 | 0.23 |
| Vitality | 52.40 (18.84) | 53.94 (18.90) | 1.54 (18.05) | 0.08 | 0.08 |
| Social functioning | 66.54 (27.07) | 78.08 (20.61) | 11.54 (24.44)** | 0.42 | 0.93 |
| Role emotional | 77.18 (31.12) | 85.77 (19.02) | 8.59 (27.24)* | 0.28 | 0.59 |
| Mental health | 70.38 (19.21) | 70.92 (16.81) | 0.54 (14.42) | 0.03 | 0.03 |
| Physical Summary | 38.90 (10.52) | 44.63 (8.74) | 5.73 (9.41)** | 0.55 | 1.06 |
| Mental Summary | 48.74 (12.25) | 49.32 (10.17) | 0.58 (9.71) | 0.05 | 0.09 |
a ES = Mean change in score divided by the standard deviation of baseline score
b RI = Mean change in score divided by the standard deviation of score changes in stable subjects
Asterisks denote statistical significance: *p < 0.05; **p < 0.01