Table 3.

Predictive Values of CNLN with distant metastasis in patients with PTC (%)

Variable	Sensitivity	Specificity	Positive predictive value	Negative predictive value
CNLN only	32.6	96.3	23.1	97.7
CNLN with special variant	13	99.6	54.5	97.1

Special variant of PTC, including the trabecular subtype, follicular variant, solid variant, diffused sclerosing variant, tall-cell variant, and columnar cell variant