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半个世纪以来,标准化死亡比(SMR)广泛应用于职业病流行病学分析,对揭示某些职业因素对人群的危害起过一定作用,而且指标含意简明易懂。目前主要的用途有: 1.研究人数不多的中小型企业中的死亡率(或发病率SIR)较低的疾病(如肿瘤、心脏病),比较可疑的职业因素对人群危险度的大小,即对死亡(发病)频数改变(如过多死亡an excess deaths)的影响大小。
For half a century, the standardized mortality ratio (SMR) has been widely used in epidemiological analysis of occupational diseases, played a role in revealing the hazards of certain occupational factors to the population, and the meanings of the indicators are concise and understandable. At present, the main uses are as follows: 1. To study the small population size of small and medium-sized enterprises with low mortality (or morbidity SIR) (such as tumor and heart disease), more suspicious occupational factors, Ie the impact on the frequency of death (morbidity) changes (such as an excess deaths).