| Comparison between Pretreatment and First session | ||||||
| System type | Pretreatment (AV ± SD) | First session (AV ± SD) | Difference | ٭P-value | ¤% Increasing | °P-value |
| Laser | 4.58 ± 3.32 | 11.19 ± 5.83 | 6.61 | 0.000506 | 144% | 0.591 |
| IPL | 4.58 ± 3.32 | 12.12 ± 6.49 | 7.54 | 0.000131 | 164% | |
| Comparison between Pretreatment and Second session | ||||||
| System type | Pretreatment (AV ± SD) | Second session (AV ± SD) | Difference | ٭P-value | ¤% Increasing | °P-value |
| Laser | 4.58 ± 3.32 | 15.85 ± 7.02 | 11.27 | 0.00000343 | 246% | 0.665 |
| IPL | 4.58 ± 3.32 | 16.73 ± 7.62 | 12.15 | 0.00000273 | 268% | |
| Comparison between Pretreatment and Third session | ||||||
| System type | Pretreatment (AV ± SD) | Third session (AV ± SD) | Difference | ٭P-value | ¤% Increasing | °P-value |
| Laser | 4.58 ± 3.32 | 19.54 ± 9.07 | 14.96 | 0.00000387 | 327% | 0.821 |
| IPL | 4.58 ± 3.32 | 20.12 ± 9.23 | 15.54 | 0.00000187 | 339% | |