Table 2.
Mean ± SD and range of outcome variables, by group and detection time.
| Variable | Control (n = 19) |
Treatment (n = 19) |
Total (n = 38) |
Group Comparison | Time Comparison | Time and Group Interaction |
|---|---|---|---|---|---|---|
| NRS T0 | 7.6 ± 1.4 (6–10) | 8.3 ± 1.1 (7–10) | 7.9 ± 1.3 (6–10) | 0.080 | <0.0001 | <0.0001 |
| NRS T1 | 5.7 ± 1.2 (4–8) | 3.5 ± 2.1 (1–8) | 4.6 ± 2.0 (1–8) | |||
| ODI T0 | 31.3 ± 18.9 (6–72) | 29.8 ± 12.8 (10–64) | 30.6 ± 15.9 (6–72) | 0.687 | <0.0001 | 0.963 |
| ODI T1 | 17.2 ± 9.3 (6–44) | 15.9 ± 7.2 (6–34) | 16.6 ± 8.2 (6–44) | |||
| PCS12 T0 | 36.5 ± 8.4 (21.7–50.6) | 37.6 ± 7.7 (22.8–51.8) | 37.1 ± 8.0 (21.7–51.8) | 0.045 | <0.0001 | 0.066 |
| PCS12 T1 | 42.6 ± 6.9 (30.2–52.6) | 50.2 ± 10.0 (26.7–64.6) | 46.4 ± 9.3 (26.7–64.6) | |||
| MCS12 T0 | 43.3 ± 10.1 (26.2–59.1) | 46.5 ± 10.7 (19.4–64.6) | 44.9 ± 10.4 (19.4–64.6) | 0.138 | <0.0001 | 0.190 |
| MCS12 T1 | 47.9 ± 10.7 (27.0–63.5) | 54.3 ± 10.3 (22.7–65.0) | 51.2 ± 10.8 (22.7–65.0) | |||
| KOOS T0 | 62.9 ± 9.2 (45–76) | 59.8 ± 7.1 (45–72) | 61.4 ± 8.2 (45–76) | 0.403 | <0.0001 | <0.001 |
| KOOS T1 | 66.4 ± 8.6 (51–76) | 74.0 ± 11.0 (48–89) | 70.2 ± 10.5 (58–89) | |||
| OKS T0 | 29.4 ± 4.8 (18–36) | 27.4 ± 6.3 (13–38) | 28.4 ± 5.6 (13–38) | 0.278 | <0.0001 | <0.0001 |
| OKS T1 | 30.6 ± 3.1 (24–35) | 36.6 ± 8.2 (17–47) | 33.6 ± 6.8 (17–47) |
Control = control group; treatment = treatment group; n = number; NRS = Numerical Rating Scale; ODI = Oswestry Disability Index; PCS12 = SF12 Physical Component Dimension; MCS12 = SF12 Mental Component Dimension); KOOS = Knee Injury and Osteoarthritis Outcome Score; OKS = Oxford Knee Score.