Table 1.
aOther carcinomas include mixed cell, neuroendocrine carcinoma, and undifferentiated carcinoma.
Abbreviations: CI, confidence interval; OR, odds ratio; TNM, tumor–node–metastasis.
aOther carcinomas include mixed cell, neuroendocrine carcinoma, and undifferentiated carcinoma.
Abbreviations: CI, confidence interval; OR, odds ratio; TNM, tumor–node–metastasis.