Table 3.
SIDAK multiple pairwise comparisons of average score of pain and physical function for the three groups at different time points of the study
| Primary outcomes | BL vs. 3rd MFU | BL vs. 6th MFU | 3rd MFU vs. 6th MFU | |||
|---|---|---|---|---|---|---|
| Mean difference (95% CI) | P-value | Mean difference (95% CI) | P-value | Mean difference (95% CI) | P-value | |
| WOMAC-pain | ||||||
| QSE(n = 43) | 1.442(from 1.129 to 1.754) | < 0.001 | 1.372(from 0.988 to 1.756) | < 0.001 | − 0.070(from − 0.412 to 0.272) | 0.946 |
| BDJ(n = 41) | 1.049(from 0.729 to 1.369) | < 0.001 | 1.293(from 0.900 to 1.686) | < 0.001 | 0.244(from −0.106 to 0.594) | 0.257 |
| CE(n = 44) | 2.205(from 1.896 to 2.514) | < 0.001 | 3.182(from 2.803 to 3.561) | < 0.001 | 0.977(from 0.639 to 1.315) | < 0.001 |
| WOMAC-physical function | ||||||
| QSE(n = 43) | 2.163(from 1.624 to 2.702) | < 0.001 | 2.023(from 1.065 to 2.982) | < 0.001 | −0.140(from −1.025 to 0.746) | 0.974 |
| BDJ(n = 41) | 2.439(from 1.887 to 2.991) | < 0.001 | 2.756(from 1.907 to 3.605) | < 0.001 | 0.317(from −0.394 to 1.028) | 0.373 |
| CE(n = 44) | 4.727(from 4.194 to 5.260) | < 0.001 | 6.545(from 5.598 to 7.493) | < 0.001 | 1.818(from 0.943 to 2.694) | < 0.001 |
WOMAC Western Ontario and McMaster Universities osteoarthritis index, pain (0–20), physical function (0–68), QSE Quadriceps strengthening exercise, BDJ Baduanjin qigong, CE The combined exercise of quadriceps strengthening exercise and Baduanjin qigong, BL Baseline, MFU Month of follow-up, SD Standard deviation, CI Confidence interval; p < 0.05 was considered statistically significant after adjustment