Abstract

METHODS: The NCDB was queried from 1998 to 2006 to include patients with T1-4M0 PTC undergoing near, sub, or total thyroidectomy, who had a minimum of 5 cervical LN concomitantly removed. MLNR was calculated by dividing the number of positive LN by the total number of LN removed. Patient survival was analyzed using Kaplan-Meier method. The impact of MLNR on overall survival (OS) was analyzed using a multivariate Cox regression analysis adjusted for relevant covariates.

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