Table III.
Actinic damage and sunscreen use in patients with frontal fibrosing alopecia (FFA) and control group
| FFA group | Control group | p-value* | p-value** | |
|---|---|---|---|---|
| Actinic damagea | 69.3% (70/101) | 50.0% (20/40) | 0.031 | 0.045 |
| Lentigines | 68.3% (69/101) | 47.5% (19/40) | 0.021 | 0.029 |
| Actinic keratoses | 16.8% (17/101) | 7.5% (3/40) | 0.152 | 0.458 |
| BCC | 9.9% (10/101) | 7.5% (3/40) | 0.657 | 0.703 |
| SCC | 0% | 0% | – | – |
a
Including all of the subcategories below.
*
χ2 test was used to analyse these qualitative variables.
**
Logistic regression model adjusted by phototype (I–II vs III–IV vs V–VI).
BCC: basal cell carcinoma; SCC: squamous cell carcinoma.