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采用１∶２配比病例对照研究方法，探讨饮食因素在成人脑瘤发病中的作用，共调查１２９例脑瘤患者和２５８例医院对照，计算比值比（ＯＲ）及ＯＲ的９５％可信限和采用多因素条件Ｌｏｇｉｓｔｉｃ回归模型进行统计分析，结果显示：喜吃腌制的咸鱼为脑瘤的危险因素，而新鲜的黄绿色蔬菜和水果，尤其是豆角、青椒、洋葱、菜花和柑桔对脑瘤有预防作用，维生素Ｃ在降低脑瘤的发病风险中起重要的作用。
A 1: 2 matched case-control study was conducted to investigate the role of dietary factors in the pathogenesis of adult brain tumors. A total of 129 brain tumor patients and 258 hospital controls were investigated and odds ratios (ORs) and 95% confidence intervals And using multivariate Logistic regression model for statistical analysis, the results showed that: salted salted fish like eating risk factors for brain tumors, and fresh yellow-green vegetables and fruits, especially beans, green peppers, onions, cauliflower and citrus Preventive effect on brain tumors, vitamin C in reducing the risk of brain tumor plays an important role.