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Comparison of swelling in the two groups
| Swelling | Laser | Placebo | p value | ||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Before surgery | 150.4 | 9.00 | 151.2 | 7.53 | 0.474 |
| Immediately after surgery | 152.4 | 8.79 | 152.2 | 7.51 | 0.889 |
| 2nd day after surgery | 156.8 | 9.11 | 159.72 | 7.84 | 0.174 |
| 7th day after surgery | 150 | 7.5 | 153.2 | 6.43 | 0.112 |
