4.

AUC, sensitivity, specificity, PPV and NPV of LN-model, tumor-model, raters’ evaluation in the discovery cohort

Variables	AUC	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
AUC, area under the curve; PPV, positive predictive value; NPV, negative predictive value; LN, lymph node.
LN-model	0.818 (0.745−0.878)	79.4 (62.1−91.3)	76.2 (67.0−83.8)	50.9 (36.8−64.9)	92.2 (81.4−94.1)
Tumor-model	0.685 (0.602−0.760)	88.2 (72.5−96.7)	43.1 (33.7−53.0)	32.6 (23.2−43.2)	92.2 (81.1−97.8)
Rater	0.581 (0.496−0.663)	82.4 (65.5−93.2)	33.9 (25.1−43.6)	28.0 (19.5−37.9)	86.0 (72.1−94.7)