Objective: To examine the association between survival and the number of lymph nodes (LNs) examined among persons who underwent surgery for node-negative tongue cancer that was confirmed by pathologic findings.
Methods: Data from the Surveillance Epidemiology and End Results (SEER) database were reviewed (1988-2002). The association between survival and the number of regional LNs evaluated during surgery among patients with tongue cancer was examined by constructing Kaplan-Meier curves. We also used multivariate Cox proportional hazard models to calculate age-, race-, sex-, grade-, and diagnosis year–adjusted hazard ratios (HRs) for different numbers of LNs. In these analyses, a hazard ratio of less than 1.0 indicates increased survival.
Chen AY, Sreevatsava M, Goodman M, Liff J, Ward K. P061 Postoperative Survival and Number of Lymph Nodes Examined During Surgery for Node-Negative Oral Tongue Cancer. Arch Otolaryngol Head Neck Surg. 2006;132(8):877-878. doi:10.1001/archotol.132.8.877-c