Table 1.
Characteristics of the Patients Whose Specimens Were Submitted (Cases, %)
| Characteristic | MN (3503) | SK (1089) | P value |
|---|---|---|---|
| Sex | < 0.001 | ||
| Male | 1055 (30.1) | 493 (45.3) | |
| Female | 2448 (69.9) | 596 (54.7) | |
| Age (years) | |||
| Median (Q1 – Q3) | 32 (23–43) | 62 (51–71) | < 0.001 |
| Age group | < 0.001 | ||
| ≤20 years | 668 (19.1) | 4 (0.4) | |
| 21–40 years | 1777 (50.7) | 93 (8.5) | |
| 41–60 years | 816 (23.3) | 430 (39.5) | |
| >60 years | 242 (6.9) | 562 (51.6) | |
| Location | < 0.001 | ||
| Scalp and neck | 476 (13.6) | 132 (12.1) | |
| Face | 1626 (46.4) | 433 (39.8) | |
| Trunk | 622 (17.8) | 330 (30.3) | |
| Buttocks and perineum | 96 (2.7) | 61 (5.6) | |
| Limbs | 683 (19.5) | 133 (12.2) |
Abbreviations: MN, melanocytic nevi; SK, seborrheic keratosis; Q1 –Q3, first quartile to third quartile.