Univariate and multivariate analysis of the categorical and continuous LNR with cause-specific survival (CSS) and overall survival (OS) of SEER hypopharyngeal cancer patients with lymph node metastasis.

†<p>The <i>P</i> value for Log-rank χ² tests of cause specific survival was less than 0.001.</p>‡<p>Being calculated using the multivariates Cox regression model for cause specific survival with either continuous or categorical LNR and variates listed at <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0056613#pone-0056613-t002" target="_blank">Table 2</a> as covariates.</p>#<p>The <i>P</i> value for Log-rank χ² tests of overall survival was less than 0.001.</p>*<p>Being calculated using the multivariates Cox regression model for overall survival with either continuous or categorical LNR and variates listed at <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0056613#pone-0056613-t002" target="_blank">Table 2</a> as covariates.