Table 1.

Baseline characteristics.

Variable	Total (n = 110)
Sex, n (%)
Male	78 (70.9%)
Female	32 (29.1%)
Age, median (range), years	61.5 (18–86)
Stage, n (%)
Stage 3	10 (9.1%)
Stage 4	100 (90.9%)
Primary, n (%)
Skin	92 (83.6%)
Occult	14 (12.7%)
Mucosal	4 (3.6%)
Baseline LDH, n (%)
Normal	58 (52.7%)
Abnormal	48 (43.6%)
Unknown	4 (3.6%)
Tumor mutational burden, median (range)	203.5 (12-5976)
BRAFV600E mutation	34 (30.9%)
TP53 mutation	10 (9.1%)

LDH, lactate dehydrogenase.