[Risk Factors of Cervical Lymph Node Metastasis in Papillary Thyroid Microcarcinoma:An Analysis Based on Data from the Surveillance, Epidemiology and End Results Database].

Objective To explored the risk factors of lymph node metastasis in papillary thyroid microcarcinoma (PTMC) by analyzing the data from the Surveillance,Epidemiology and End Results (SEER) database.Methods The data of 31 017 patients with PTMC in the SEER database from 2002 to 2012 were retrospectively analyzed. Logistic and Cox regression analyses were used to explore the associations of the factors and the risk of lymph node metastasis in PTMC.