incidence density名词解释 incidence density(发生率密度)是一种用于衡量某个特定事件(如疾病、事故等)在特定人群中的发生率的统计指标。这一概念通过计算在一定时间和一定人口范围内发生的事件的数量,将该事件的发生率与人群的大小和时间长度相对应。通过使用发生率密度,可以更准确地估计事件的风险,并且允许比较不同...
类似的还有发病密度(incidence density)或发病力(force of morbidity)。比(ratio) --- 例如,比数(Odds),是发生(或构成)某事 … docin.com|基于44个网页 2. 发生密度 发生密度(Incidence density):也是一个发生率。分母的单位是“人-时间”,或者是某一定周期内风险人群测量事件的人数量) … ...
发病率(incidence rate) 答案: 表示一定时期内,在可能发生某病的一定人群中,某病新发病例出现的频率。 手机看题 问答题 构成比(proportion) 答案: 表示某事物内部构成中某部分占总体的比重。分子分母单位相同,通常用百分数表示,故常称百分比。 问答题
发病密度(incidence density)相关知识点: 试题来源: 解析 多数情况下,队列研究都是动态队列,在研究中可能会由于各种原因造成研究对象的失访。同时,新的研究对象也会不断地进入研究队列,因此不同研究对象接受观察的时间不同。在这种情况下,需以观察人时数为分母计算发病率。用人时为单位计算出来的率带有瞬时频率的性质...
发病密度(incidence density)相关知识点: 试题来源: 解析 若整个研究持续了较长时间,其间观察人群人数产生了较大变动,因迁移、死于非研究疾病、退出等造成观察人数减少。此时,不能以稳定的观察人数作为分母计算率,而代之以观察人时数作为分母来计算率。这样计算的率带有瞬时频率性质即为发病密度。 暂无解析...
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Pull requests Paez, Antonio, et al. "A spatio‐temporal analysis of the environmental correlates of COVID‐19 incidence in Spain." Geographical Analysis 53.3 (2021): 397-421. temperature humidity spain incidence spatio-temporal-analysis population-density older-adults covid-19 mass-transit-systems...
Incidence Densitydoi:10.1002/0470011815.b2a03073incidence densityincidence rateAn incidence density is an incidence rate.Mitchell H. GailNational Cancer Institute Bethesda MD USAAmerican Cancer Society
The spatial pattern of apple scab was characterized using 10 years of disease incidence and lesion density data collected in managed orchards located in Quebec, Canada. Distributional analyses indicated that scab incidence was better characterized by the beta-binomial than the binomial distribution in 53...
The term incidence rate refers to the rate at which a new event occurs over a specified period of time. Put simply, it describes the frequency at which new incidents occur. This measure is commonly used in epidemiology as a way to denote the occurrence of disease, illness, or accident. Th...