Table 7.
Epidermis thickness of PWS lesions and diameter and depth of ectatic vessels (n =36, mean±SD).
| Parameter | Contrast | Prior treatment | Post-treatment | z* | P* |
|---|---|---|---|---|---|
| Thickness of epidermis (um) |
73.11 ± 11.68 | 72.20, 11.77 | 72.72, 11.85 | −1.131 | 0.258 |
| Diameter of blood vessels (um) | rarely-seen | 90.97, 25.75 | 59.50, 14.66 | −5.232 | <0.001 |
| Depth of blood vessels (um) | rarely-seen | 277.93, 36.91 | 317.84, 30.03 | −5.232 | <0.001 |
Statistics before and after HMME-PDT treatment.