Table 1. Cutaneous phenotype of the CMN cohort.

Projected adult size of largest CMN (cm)	N (%)	Site of largest CMN	N (%)
<10	35 (21)	Face	10 (6)
10–20	28 (17)	Scalp	19 (12)
20–40	27 (16)	Neck	85 (51)
40–60	24 (15)	Trunk	25 (15)
>60	48 (29)	Scalp/neck/trunk	9 (6)
No single larger lesion	4 (2)	Face/scalp	14 (8)
Missing data	0	No single larger lesion	4 (2)
		Missing data
Total	166 (100)	Total	166 (100)
Total number of other nevi at birth	N (%)	Total number of other nevi at enrollment	N (%)
0	28 (17)	0	28 (17)
1–10	37 (22)	1–10	25 (15)
11–20	25 (15)	11–20	20 (12)
21–50	26 (16)	21–50	19 (11)
51–100	17 (10)	51–100	22 (13)
101–200	8 (5)	101–200	28 (17)
>200	3 (2)	>200	18 (11)
Missing data	22 (13)	Missing data	6 (4)
Total	166 (100)	Total	166 (100)

Abbreviation: CMN, congenital melanocytic nevi.