A Predictive Model for Nonsentinel Node Status after Sentinel Lymph Node Biopsy in Sentinel Lymph Node-Positive Chinese Women with Early Breast Cancer

Table 6

Diagnostic evaluation table about risk interval from the predictive equation in the validation group.

Cutoff values	Non-SLN metastasis; absent	Non-SLN metastasis; present	Sensitivity	Specificity	False-negative rate (%)
≤14.2%	0 (0%)	0	100.0%	0%	0.0%
≤22.3%	10 (17%)	3	90.3%	34.5%	9.7%
≤28.6%	16 (27%)	6	80.6%	55.2%	19.4%
≤31.2%	17 (28%)	8	77.4%	58.6%	22.6%
≤35.7%	18 (30%)	9	71.0%	58.6%	29%
n = 60; among them, 31 patients were positive for non-SLN metastases