Table 2.

Logistic regression analysis of clinic factors for DLN metastasis.

Variable	OR	95% CI	P
Tumor size	6.043	2.473–14.767	<.001
Capsule invasion	4.221	1.299–13.710	.017
Non-Delphian central lymph node metastasis	2.761	0.980–7.779	.055
TNM stage	2.808	1.112–7.093	.029
Multifocality	2.965	1.052–8.356	.040

CI = confidence interval, OR = odd ratio.