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Mean pain score at different time points in the two groups
| Time (days) | Laser | Placebo | P value < | ||
|---|---|---|---|---|---|
| Std. deviation | Mean | Std. deviation | Mean | ||
| 1 | 0.66 | 2.8 | 0.55 | 5.8 | 0.05 |
| 2 | 0.74 | 2.2 | 0.84 | 6.16 | 0.05 |
| 3 | 0.56 | 1.24 | 0.64 | 5.32 | 0.05 |
| 4 | 0.41 | 0.56 | 1.03 | 4.6 | 0.05 |
| 5 | 0.22 | 0.36 | 0.87 | 3.56 | 0.05 |
| 6 | 0.12 | 0.2 | 0.61 | 2.28 | 0.05 |
| 7 | 0.08 | 0.16 | 0.25 | 1.2 | 0.05 |
