Table 3.
Weekly mean (standard deviation) of visual analogue scale (VAS) for perceived pain during the period of study. Δ represents the increment from the start to the end of this trial. Significance level for the differences between values at the beginning and end of this trial.
| Week1 | Week2 | Week3 | Week4 | Week5 | Week6 | Week7 | Week8 | Week9 | Δ | |
|---|---|---|---|---|---|---|---|---|---|---|
| Control | 4.75 (1.16) | 4.74 (1.72) | 4.62 (1.93) | 4.52 (2.27) | 4.43 (1.88) | 4.31 (2.27) | 4.13 (2.21) | 4.19 (2.29) | 3.91 (2.16) | −0.835 |
| Low dose | 4.69 (1.18) | 4.37 (1.45) | 3.99 (1.47) | 3.77 (1.41) | 3.89 (1.17) | 3.53 (1.41) | 3.62 (1.42) | 3.32 (1.57) | 3.13 (1.43) | −1.559 |
| High dose | 5.23 (1.32) | 4.93 (1.55) | 4.3 (1.74) | 4.08 (1.7) | 3.84 (1.68) | 3.65 (1.81) | 3.4 (1.71) | 3.23 (1.59) | 2.98 (1.51) | −2.250 *** |
Significance levels: *** < 0.001 < ** < 0.01 < * < 0.05.