| Comparison between Pretreatment and First session | ||||||
| System type | Pretreatment (AV ± SD) | First session (AV ± SD) | Difference | ٭P-value | ¤%Reduction | °P-value |
| Diode laser | 21.58 ± 11.59 | 15.04 ± 9.17 | 6.54 | 0.00894 | 30% | 0.597 |
| IPL | 21.73 ± 14.1 | 13.58 ± 10.63 | 8.15 | 0.00584 | 38% | |
| Comparison between Pretreatment and Second session | ||||||
| System type | Pretreatment (AV ± SD) | Second session (AV ± SD) | Difference | ٭P-value | ¤%Reduction | °P-value |
| Diode laser | 21.58 ± 11.59 | 11.77 ± 7.55 | 9.81 | 0.000172 | 45% | 0.9 |
| IPL | 21.73 ± 14.1 | 12.08 ± 9.99 | 9.65 | 0.00691 | 44% | |
| Comparison between Pretreatment and Third session | ||||||
| System type | Pretreatment (AV ± SD) | Third session (AV ± SD) | Difference | ٭P-value | ¤%Reduction | °P-value |
| Diode laser | 21.58 ± 11.59 | 8.96 ± 6.77 | 12.62 | 0.0000214 | 58% | 0.366 |
| IPL | 21.73 ± 14.1 | 11.15 ± 10.19 | 10.58 | 0.00277 | 49% | |