Table 3.
Means and standard deviation of major variables measured at baseline and weeks 1, 2 and 4
| Variable definition | Baseline | Week 1 | Week 2 | Week 4 |
| WOMAC Scoresa | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) |
| Pain | 22.2(19.2) | 21.4(20.9) | 16.9(16.9) ** | 16.1(16.2) ** |
| Stiffness | 28.1(24.9) | 25.8(23.1) | 17.4(18.5) *** | 18.5(20.3) *** |
| Physical functioning | 22.6(18.0) | 22.4(19.5) | 18.2(15.8) ** | 18.2(17.8) * |
| Pain in visual analogue scale | 38.7(21.5) | 33.0(20.7)* | 27.0(21.5) *** | 27.8(19.8) *** |
| WHOQOL-BREF Scoresb | - | - | - | - |
| Physiological domain | 12.9(2.4) | - | - | 13.2(1.9) |
| Psychological domain | 12.4(2.0) | - | - | 12.3(1.5) |
| Social domain | 13.5(1.9) | - | - | 13.6(2.2) |
| Environment domain | 13.5(1.7) | - | - | 13.4(1.5) |
a WOMAC refers to the Western Ontario and McMaster Universities Osteoarthritis Index.
bWHOQOL – BREF refers to the World Health Organization Quality of Life – brief version.
* indicates P < 0.05; ** indicates P < 0.01; and *** indicates P < 0.001.