Table 2.
Physical examination at baseline
| Kerà K2® (N = 36) | Placebo (N = 34) | |
|---|---|---|
| Phototype | ||
| I | 6 (16.6%) | 5 (14.7%) |
| II | 22 (61.2%) | 23 (67.6%) |
| III | 8 (22.2%) | 6 (17.7%) |
| History of sunburns | ||
| No | 30 (83.3%) | 15 (44.1%) |
| Yes | 6 (16.7%) | 19 (55.9%) |
| Freckles | ||
| No | 28 (77.7%) | 28 (82.3%) |
| Yes | 5 (13.8%) | 4 (11.8%) |
| Not specified | 3 (8.4%) | 2 (5.9%) |
| Number of areas affected by AK | ||
| 1 | 7 (19.4%) | 6 (17.6%) |
| 2 | 7 (19.4%) | 10 (29.4%) |
| 3 | 7 (20.6%) | |
| Not specified | 22 (61.2%) | 11 (32.4%) |
| Location of AK | ||
| Check | 2 (5.8%) | |
| Face | 6 (16.6%) | 2 (5.8%) |
| Front | 6 (16.6%) | 6 (17.6%) |
| Hand–forearm | 2 (5.8%) | |
| Scalp | 22 (61.2%) | 20 (58.8%) |
| Number of AKs | ||
| Mean | 6.61 | 6.61 |
| SD | 3.18 | 2.87 |
| Grade of AK | ||
| I | 4 (11.1%) | |
| I–II | 11 (30.5%) | 13 (38.2%) |
| II | 12 (30.3%) | 9 (26.5%) |
| II–III | 1 (8.3%) | 7 (20.6%) |
| III | 6 (19.8%) | 5 (14.7%) |
| BSI score | ||
| Mild | 8 (22.2%) | 8 (23.5%) |
| Moderate | 13 (36.1%) | 16 (47.1%) |
| Severe | 15 (41.6%) | 10 (29.4%) |