Titlebook: Drugs During Pregnancy; Methodological Aspec Bengt Källén Book 2016 Springer International Publishing Switzerland 2016 Epidemiological meth

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书目名称Drugs During Pregnancy影响因子(影响力)




书目名称Drugs During Pregnancy影响因子(影响力)学科排名




书目名称Drugs During Pregnancy网络公开度




书目名称Drugs During Pregnancy网络公开度学科排名




书目名称Drugs During Pregnancy被引频次




书目名称Drugs During Pregnancy被引频次学科排名




书目名称Drugs During Pregnancy年度引用




书目名称Drugs During Pregnancy年度引用学科排名




书目名称Drugs During Pregnancy读者反馈




书目名称Drugs During Pregnancy读者反馈学科排名

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majestic

Ethics and Reproductive Biology, or by linkage with registers of prescriptions. Each method has its limitations which are discussed in the chapter. The least reliable method is retrospective ascertainment perhaps months after the delivery when a recall bias may occur, and often a large percentage of nonparticipants may cause furt

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M, R and Some Scale Estimators,ip it. Odds ratios and risk ratios are presented and how their statistical significance can be evaluated, including the concept of confidence interval. Methods of adjusting for confounders, survival analyses, and power analyses are briefly described. Finally, a discussion is made of the meaning of a

尾巴

Gordon Betcherman,Douglas Rebnerder to identify specific effects. This refers both to drug use and to outcome, e.g., malformations. The chapter discusses these problems separately for drugs and for malformations..The idea with lumping (adding together related groups) is to get larger numbers. On the other hand, one runs the risk

尾巴

anthropologist

Gordon Betcherman,Douglas Rebne verify or reject the observation. Such studies must have enough power to detect the suggested association. Some examples are described in the chapter. Meta-analyses try to summarize a number of different studies, but this methodology is often not suitable for epidemiological studies, for instance,

Gullible

Workers, Managers, and Technological Change can then be the object of detailed investigation. An example is the monitoring based on the Swedish Medical Birth Register which is described. The available information in the literature on data on use of drugs during pregnancy and pregnancy outcome should be summarized for the benefit of the nonsp

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