non-response相关论文
心脏再同步化治疗(CLRT)为心力衰竭(心衰)的治疗方法之一.CRT可以改善轻、中、重度心衰患者的症状及心功能,降低心衰住院率及心血......
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目的 通过对本院植入的20例三腔起搏器患者进行随访观察,分析心脏再同步治疗(CRT)的临床疗效及对CRT无反应的原因.方法 研究接受CR......
心脏再同步化治疗在终末期心力衰竭治疗中的地位日益重要。新近的欧洲指南中心脏再同步化治疗植入的适应证不断扩大。但有20％～30％的患......
Background Cardiac resynchronization therapy(CRT)is a highly effective treatment in patients with a class I recommendati......
目的探讨大剂量经静脉免疫球蛋白(intravenous immunoglobulin,IVIG)治疗川崎病无反应的危险因素。方法回顾性分析2013年5月至2017......
抽样调查中,使用不完备的抽样框及存在无回答单元是产生非抽样误差的两类主要原因。运用概率统计方法,分析抽样调查中使用三类不完......
目的：检测乙肝疫苗无应答者外周血Treg细胞的PD一1表达情况及PD一1在Tfeg中发挥的作用。方法：用流式细胞术检测乙肝疫苗无应答者外周......
This paper is an attempt to work out a compromise allocation to construct combined ratio estimates under multivariate do......
Fuzzy Geometric Programming in Multivariate Stratified Sample Surveys in Presence of Non-Response wi
In this paper, the problem of non-response with significant travel costs in multivariate stratified sample surveys has b......
Selection bias is well known to affect surveys and epidemiological studies. There have been numerous methods proposed to......
This paper proposes some exponential ratio type estimators of population mean under the situations when certain observat......
Estimating a Finite Population Mean under Random Non-Response in Two Stage Cluster Sampling with Rep
Non-response is a regular occurrence in Sample Surveys. Developing estimators when non-response exists may result in lar......
