Table 4.

Recurrence-free, distant metastasis-free, and melanoma-specific survival rates in the population of patients receiving a sentinel lymph node biopsy

	RFS (# events, 95% CI)	DMFS (# events, 95% CI)	MSS (# events, 95% CI)
Class 1 (n = 159)	79% (37, 72–85%)	87% (24, 82–93%)	97% (7, 94–100%)
Class 2 (n = 178)	51% (89, 44–59%)	59% (74, 51–67%)	78% (35, 71–85%)
SLN- (n = 180)	79% (43, 73–85%)	85% (32, 80–91%)	95% (9, 92–99%)
SLN+ (n = 157)	47% (82, 39–56%)	55% (66, 47–65%)	75% (33, 68–84%)
Class 1/SLN- (n = 103)	87% (15, 81–94%)	93% (9, 88–98%)	98% (2, 95–100%)
Class 1/SLN+ (n = 56)	61% (22, 49–76%)	74% (15, 63–88%)	93% (5, 86–100%)
Class 2/SLN- (n = 77)	67% (28, 57–79%)	75% (23, 66–85%)	92% (7, 85–98%)
Class 2/SLN+ (n = 101)	37% (60, 28–49%)	44% (51, 34–56%)	63% (28, 52–76%)

CI confidence interval, DMFS distant metastasis-free survival, GEP gene expression profile, RFS recurrence-free survival, SLN sentinel lymph node, MSS melanoma-specific survival