Table 3.

Sensitivity and specificity of several cut-off values for predicting lymph node (LN) positivity according to size

	Sensitivity	Specificity
Cut-off value
4.5 mm	93	19
9.5 mm	70	54
10.5 mm	65	61
12.5 mm	52	70
14.5 mm	42	75
16.5 mm	32	83