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An area in a given period the number of new cases and the ratio of population in the region. Usually expressed in parts per thousand. |
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某一段时期内某一特定风险人群发生某病的或然率。调查时期常为一年;特定人群可指某个地区、某个性别、某个年龄组、甚至某个单位内的人群等等,而风险人群专指未患过该病因而缺乏特异抵抗力而有患该病风险的人群。当本病发生的或然率不高而人群数量很大时,无需将那些患过该病因而已有抵抗力的人排除在外。发病率直接测定发病风险,是分析病因的重要依据。如果几个人群在某些已查明的条件上存在差异,而目前发现某病的发病率在这几个人群中有所不同,则说明这些条件中可能存在致病因素。 |
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发病率
morbidity incidence
反映人群在一定时期发病频度的指标。通常以某地区或某人群一年(季·月)内发生的新病例数对该地区(人群)同期平均人口数的百分率表示。发病率=〓〓某地一年(季·月)内所发生的新病例总数〓〓该地同期平均人口数〓〓×100%〓〓发病率可按疾病分别计算。
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- : sickness rate, morbidity rate, incidence, incidence rate
- n.: Morbidity, the incidence of a disease, incidence of a disease, disease rate
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Epidemiology | language | mortality | medicostatistics | |
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Accumulation Morbidity | secondary Morbidity | consumption Morbidity | Weishengqi Morbidity | contagion Morbidity | an occupational disease Morbidity | Depression of Morbidity | hyperendemic | Morbidity to reach Turn congregation | tongue Audition cost Morbidity | Endometriosis disease Morbidity | Morbidity reach Mortality weekly | Endometriosis disease Morbidity | |
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