摘要: Residual confounding is the distortion that remains after controlling for confounding in the design a[阅读全文:]
摘要: 罗家洪,男,1958年10月25日生人,昆明医学院公共卫生学院卫生统计学教研室主任。卫生/医学统计、流行病学、社会医学与卫生事业管理、计算机应用。流行病学与卫生统计学硕士导师。主编案例式全国规划教材《医[阅读全文:]
摘要: proxy sampling(代理抽样)是确定一个对照人群,这个对照人群与研究的病例的源人群有相同的暴露分布,这样的对照与直接从源人群中抽取对照相比,应该可以得到同样的研究结果。[阅读全文:]
摘要: Sample is the subset selected from the population through a sampling frame,the sample represents the[阅读全文:]
摘要: Population is the entire collection of units from which a sample may be drawn ,includesfinite populat[阅读全文:]
摘要: Molecular epidemiology is a branch of epidemiology.It combines theories and methods in both epidemiol[阅读全文:]
摘要: Case Control StudiesCohort StudyAdvantagesThey are quicker and inexpensive to conductIt[阅读全文:]
摘要: AR is a very important and commom measure for the effect of the exposure.It is the difference of the[阅读全文:]
摘要: RR is the most common measure for the association between esposure and outcome.The meaning is how man[阅读全文:]