Table 4 Baseline demographic and clinical characteristics among cases, melanoma controls, and chronic lymphocytic leukemia (CLL) controls
From: Melanoma and CLL co-occurrence and survival: role of KC history
Demographical and clinical characteristics | Cases n (%) | CLL controls n (%) | Melanoma controls n (%) |
|---|---|---|---|
Total sample size | 13 | 13 | 26 |
Age at melanoma diagnosis | |||
 mean (SD) | 75.0 (5.8) |  | 73.5 (7.7) |
 60–69 | 4 (30.8) |  | 8 (30.8) |
 70–79 | 5 (38.5) |  | 10 (38.5) |
 80 and above | 4 (30.8) |  | 8 (30.8) |
Age at CLL diagnosis | |||
 mean (SD) | 75.2 (5.5) | 74.5 (7.0) |  |
 60–69 | 2 (15.4) | 4 (30.8) |  |
 70–79 | 7 (53.8) | 5 (38.5) |  |
 80 and above | 4 (30.8) | 4 (30.8) |  |
Sex | |||
 Female | 1 (7.7) | 1 (7.7) | 2 (7.7) |
 Male | 12 (92.3) | 12 (92.3) | 24 (92.3) |
Race | |||
 White | 13 (100.0) | 12 (92.3) | 26 (100.0) |
 Other | 0 (0.0) | 1 (7.7) | 0 (0.0) |
Ethnicity | |||
 Non-Spanish or Hispanic origin | 12 (92.3) | 11 (84.6) | 26 (100.0) |
 Spanish or Hispanic origin | 1 (7.7) | 2 (15.4) | 0 (0.0) |
AJCC stage at diagnosisa | |||
 1 | 2 (15.4) |  | 4 (15.4) |
 2 | 6 (46.2) |  | 12 (46.2) |
 3 | 4 (30.8) |  | 8 (30.8) |
 4 | 1 (7.7) |  | 2 (7.7) |