发病率(incidence)和流行率(prevalence)如何定义,以及两者有什么区别? - 知乎 prevalence描述的是多少,是一种静态的状态;Incidence描述的是快慢,描述的是变化。 我做一个近似的比喻。患病的人数是绝对多少 a 就像是一个点的位置,但这种绝对位置是没办法描述出来的,需要一个参考坐标来帮着定位,这时候给一个人群总数 N 就像是给了个坐标系,那么prevalence = a N 就是坐标
point prevalence和1-year prevalence区别? - 知乎 The most common form of prevalence reported across the 11 disorders was the 1-year prevalence The 1-year prevalence is a hybrid type of prevalence between lifetime prevalence and point prevalence, recording the history of the disorder within a year prior to assessment (12) It differs from lifetime prevalence in focusing on only 1 year
怎样才能去除脂肪肝? - 知乎 Tajima, R , et al , Association between rice, bread, and noodle intake and the prevalence of non-alcoholic fatty liver disease in Japanese middle-aged men and women
中国有多少ADHD ADD(多动症、注意力缺失)? - 知乎 Li F, Cui Y, Li Y, et al Prevalence of mental disorders in school children and adolescents in China: diagnostic data from detailed clinical assessments of 17,524 individuals [published online ahead of print, 2021 May 21]
果糖、葡萄糖、蔗糖和淀粉在体内代谢有何不同,为什么果糖相对而言危害大? - 知乎 French, S A , B -H Lin, and J F Guthrie, National trends in soft drink consumption among children and adolescents age 6 to 17 years: prevalence, amounts, and sources, 1977 1978 to 1994 1998
如何理解“患病率=发病率×病程”? - 知乎 患病率,又称现患率(prevalence proportion),通常指一个人群在某个时间点上,患病人数在人群总人数中的占比。 令 P 表示现患率, N 表示人群总人数, A 表示患病人数,则有 P=A N 。 发病率(incidence rate),指人群中新发病患者数量的增速,令 I 表示发病率。