Makhyoun N A
Br J Cancer. 1974 Dec;30(6):577-81. doi: 10.1038/bjc.1974.238.
A case control study of smoking was carried out on 365 Egyptian males with bladder cancer divided into 278 patients (76%) with previous urinary bilharziasis and 87 (24%) without past infestation. The smoking index was significantly higher in both bilharzial and non-bilharzial patients with bladder cancer than their controls. A significant association was found between heavy and moderate cigarette smoking and bladder cancer developing in non-bilharzial subjects. The local habit of "meassel" smoking did not differ significantly between bladder cancer patients and controls.
对365名埃及膀胱癌男性患者进行了一项吸烟的病例对照研究,这些患者被分为278例(76%)既往有尿路血吸虫病的患者和87例(24%)无既往感染的患者。膀胱癌的血吸虫病患者和非血吸虫病患者的吸烟指数均显著高于其对照组。在非血吸虫病患者中,重度和中度吸烟与膀胱癌发生之间存在显著关联。膀胱癌患者和对照组之间“水烟”吸烟的当地习惯没有显著差异。