Table 2.
Demographic characteristics of the enrolled and eligible participants
| Characteristics | Patients enrolled (n = 1950) | Patients with eligible lesions (n = 1611) |
|---|---|---|
| Sex | ||
| Male | 929 (47·6) | 765 (47·5) |
| Female | 1013 (51·9) | 846 (52·5) |
| Missing | 8 (0·4) | 0 (0) |
| Age (years), median (range) | 48 (18–91) | 48 (18–91) |
| Race and ethnicity | ||
| Asian | 5 (0·3) | 5 (0·3) |
| White | 1893 (97·1) | 1571 (97·5) |
| Black or African American | 2 (0·1) | 2 (0·1) |
| Hispanic or Latino | 29 (1·5) | 25 (1·6) |
| Other | 12 (0·6) | 8 (0·5) |
| Missing | 9 (0·5) | 0 (0) |
| Fitzpatrick skin type | ||
| 1. Always burns easily; never tans | 136 (7) | 117 (7·3) |
| 2. Always burns easily; tans minimally | 945 (48·5) | 783 (48·6) |
| 3. Burns moderately; tans gradually | 635 (32·6) | 526 (32·7) |
| 4. Burns minimally; always tans well | 192 (9·8) | 158 (9·8) |
| 5. Rarely burns; tans profusely | 29 (1·5) | 23 (1·4) |
| 6. Never burns; deeply pigmented | 1 (0·1) | 1 (0·1) |
| Missing | 12 (0·6) | 3 (0·2) |
Data presented as number (percentage) of patients, except for age. For one subject, the signed informed consent form could not be located at the site and the data were thus deleted.