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. 2019 Mar 13;155(5):578–584. doi: 10.1001/jamadermatol.2018.5926

Table 1. Demographic Characteristics of Melanocytic Nevi, Melanomas, and Equivocal Lesions Not Showing Typical Dermoscopic Patterns.

Clinical Subtype Nevi Melanomas (n = 8) Equivocal Lesions (n = 5)
Hyperpigmentation (n = 29) Hypopigmentation (n = 48) Elevated (n = 20) Total (n = 97)
Frequency per disease, No./No. (%) 29/428 (6.8) 48/428 (11.2) 20/428 (4.7) 97/428 (22.7) 8/71 (11.3) NA
Hand, No. 5 3 3 11 1 0
Foot, No. 24 45 17 86 7 5
Males, No. 9 17 6 32 7 1
Females, No. 20 31 14 65 1 4
Age, mean (range), y 31.3 (1-71) 41.2 (16-83) 40.6 (2-79) 38.0 (1-83) 65.3 (39-86) 38.8 (21-55)
Maximum diameter, mean (range), mm 4.0 (1.0-10.2) 6.5 (1.9-18.0) 6.2 (1.2-11.0) 5.7 (1.0-18.0) 11.8 (7.5-17.0) 8.8 (6.8-10.0)

Abbreviation: NA, not applicable.