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Change in nail psoriasis severity index (NAPSI) during the period of treatment, and at the end of follow-up (week 24)
| Week | PDL-treated nails | Excimer-treated nails | ||
|---|---|---|---|---|
| Mean NAPSI value | SD | Mean NAPSI value | SD | |
| 0 (baseline) | 29.5 | 18.5 | 29.8 | 17.9 |
| 4 | 21.3 | 13.7 | 26.4 | 23.7 |
| 8 | 12.4 | 21.4 | 21.2 | 38.5 |
| 12 | 3.7 | 17.3 | 11.8 | 22.6 |
| 24 | 3.2 | 18.6 | 16.3 | 10.3 |
PDL pulsed dye laser, SD standard deviation
