Case–control study of oropharyngeal cancer

Background: In order to test some hypotheses of risk factors for oropharyngeal cancer (neoplasm of base of tongue, palate and tonsils) matched case–control study was conducted in Belgrade, Serbia and Montenegro, during the period 1998–2000. Methods: Study comprised 100 incidence cases with oropharyngeal cancer and 100 controls with some non-malignant diseases of head and neck. Results: According to multivariate analysis, ever smoking,...