Table 1.
Mean, standard deviation (SD) values of pain scores at different days within each week
| Week | Day 1 | Day 2 | Day 3 | Day 4 | Day 5 | Day 6 | Day 7 | P-value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| Week 1 | 7.1 | 2.0 | 7.1 | 2.0 | 7.1 | 2.0 | 7.0 | 2.1 | 7.0 | 2.1 | 7.0 | 2.1 | 7.0 | 2.1 | 0.423 |
| Week 2 | 6.8 a | 1.9 | 6.7 a | 1.9 | 6.4 b | 2.1 | 6.4 b | 2.1 | 6.4 b | 2.1 | 6.4 b | 2.1 | 6.4 b | 2.1 | 0.019* |
| Week 3 | 6.3 a | 2.2 | 5.9 b | 2.1 | 5.9 b | 2.1 | 5.9 b | 2.1 | 5.8 b | 2.0 | 5.8 b | 2.0 | 5.8 b | 2.0 | 0.001* |
| Week 4 | 5.3 a | 2.1 | 5.0 b | 1.9 | 4.8 c | 2.1 | 4.8 c | 2.1 | 4.7 c | 2.1 | 4.7 c | 2.1 | 4.7 c | 2.1 | 0.005* |
| Week 5 | 4.3 a | 2.1 | 4.0 b | 2.1 | 4.0 b | 2.1 | 4.0 b | 2.1 | 4.0 b | 2.1 | 4.0 b | 2.1 | 4.0 b | 2.1 | 0.006* |
| Week 6 | 3.7 a | 2.2 | 3.2 b | 2.0 | 3.2 b | 2.0 | 3.2 b | 2.0 | 3.2 b | 2.0 | 3.2 b | 2.0 | 3.2 b | 2.0 | 0.001* |
| Week 7 | 2.9 a | 2.1 | 2.4 b | 2.1 | 2.3 b | 2.0 | 2.3 b | 2.0 | 2.3 b | 2.0 | 2.3 b | 2.0 | 2.3 b | 2.0 | <0.001* |
| Week 8 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.0 | 2.0 | 2.2 | 2.0 | 2.1 | 2.0 | 2.1 | 1.9 | 2.0 | 0.911 |
*
Significant at P ≤ 0.05, Different superscripts in the same row are statistically significantly different.