Table 3 Independent t test applied to compare the mean WOMAC and WHOQOL scores between Group 1 and Group 2.
Outcome variables | Group 1 Mean ± SD | Group 2 Mean ± SD | t | p | Cohen's d | 95% CI | ||
|---|---|---|---|---|---|---|---|---|
Lower | Upper | |||||||
WOMAC | ||||||||
Joint pain | Pre | 15.40 ± 2.00 | 16.00 ± 2.02 | − 1.06 | 0.30 | − 0.30 | − 0.85 | 0.26 |
10.60 ± 1.73 | 5.72 ± 1.21 | 11.55 | < 0.001 | 3.27 | 2.40 | 4.12 | ||
Stiffness | Pre | 5.76 ± 1.36 | 6.24 ± 1.76 | − 1.08 | 0.29 | − 0.3 | − 0.86 | 0.25 |
2.88 ± 1.05 | 2.24 ± 0.72 | 2.5 | 0.02 | 0.71 | 0.13 | 1.28 | ||
Functional limitation | Pre | 47.04 ± 4.75 | 49.08 ± 5.63 | − 1.38 | 0.17 | − 0.39 | − 0.95 | 0.17 |
30.24 ± 4.74 | 22.64 ± 5.62 | 5.17 | < 0.001 | 1.46 | 0.83 | 2.08 | ||
WOMAC index | Pre | 68.60 ± 5.07 | 71.32 ± 5.93 | − 2.00 | 0.05 | − 0.57 | − 1.13 | 0.00 |
43.72 ± 5.12 | 30.60 ± 5.55 | 8.69 | < 0.001 | 2.46 | 1.71 | 3.19 | ||
WHOQoL | ||||||||
Overall QoL | Pre | 2.8 ± 0.87 | 2.4 ± 0.71 | 1.79 | 0.08 | 0.51 | − 0.06 | 1.07 |
Post | 3.56 ± 1.08 | 3.64 ± 0.86 | − 0.29 | 0.77 | − 0.08 | − 0.64 | 0.47 | |
General health | Pre | 2.6 ± 0.82 | 2.52 ± 0.82 | 0.35 | 0.73 | 0.1 | − 0.46 | 0.65 |
Post | 3.2 ± 1.08 | 3.72 ± 0.94 | − 1.82 | 0.08 | − 0.51 | − 1.08 | 0.05 | |
Physical domain | Pre | 11.92 ± 1.19 | 12.52 ± 1.56 | − 1.53 | 0.13 | − 0.43 | − 0.99 | 0.13 |
Post | 16.08 ± 1.44 | 15.68 ± 1.65 | 0.91 | 0.37 | 0.26 | − 0.3 | 0.81 | |
Psychological domain | Pre | 14.36 ± 1.7 | 14.92 ± 1.08 | − 1.39 | 0.17 | − 0.39 | − 0.95 | 0.17 |
Post | 15.24 ± 1.69 | 17.84 ± 0.94 | − 6.72 | < 0.001 | − 1.9 | − 2.56 | − 1.22 | |
Social domain | Pre | 14.52 ± 0.96 | 14.48 ± 1.39 | 0.12 | 0.91 | 0.03 | − 0.52 | 0.59 |
Post | 15.04 ± 0.98 | 17.48 ± 0.96 | − 8.89 | < 0.001 | − 2.51 | − 3.25 | − 1.76 | |
Environmental domain | Pre | 13.92 ± 1.75 | 13.28 ± 1.62 | 1.34 | 0.19 | 0.38 | − 0.18 | 0.94 |
Post | 15.92 ± 1.26 | 16.48 ± 1.19 | − 1.62 | 0.11 | − 0.46 | − 1.02 | 0.11 | |
