Table 3.

Correlations between radiological size and histopathological station involvement: sensitivity, specificity, predictive values, and accuracy in accordance with each cutoff

Cutoff, mm	Sensitivity	Specificity	PPV	NPV	Accuracy
12	0.036	1.000	1.000	0.895	0.896
10	0.054	0.994	0.500	0.896	0.892
8	0.179	0.970	0.417	0.907	0.884
5	0.357	0.894	0.290	0.920	0.836
1	0.464	0.827	0.245	0.927	0.788

PPV, positive predictive value; NPV, negative predictive value.