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目的为了评价某一危险因素对个体发病所起的作用,并在多因素暴露情况下比较各个因素对发病的影响大小。方法运用贝叶斯公式,依据相关流行病学理论,建立由相对危险度数值等来测算单个危险因素对个体发病贡献权重的方法。结果建立的方法可以用来比较各个危险因素在个体发病中的贡献大小。结论该测算方法简单方便,结合人群研究及Meta分析结果,能够为疾病的病因学研究和临床决策提供一定依据。
Objective To evaluate the role of a risk factor in the pathogenesis of an individual and to compare the impact of various factors on the incidence of multiple factors. Methods Based on the relevant epidemiological theory, a Bayesian formula was used to establish the method of calculating the contribution weight of individual risk factors to individuals by the relative risk values. The results of the method can be used to compare the contribution of each risk factor in the individual’s size. Conclusions This method is simple and convenient. Combined with population research and meta-analysis, it can provide some evidences for etiological research and clinical decision-making.