Incidences of obstetric outcomes and sample size calculations: a Danish national registry study based on all deliveries from 2008 to 2015.
Acta obstetricia et gynecologica Scandinavica(2020)
摘要
Most obstetric outcomes occur rarely; thus, very large sample sizes are required to achieve adequate statistical power in randomized controlled trials. Multicenter studies, international collaborations or alternative study designs to randomized controlled trials could be considered. This article is protected by copyright. All rights reserved.
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关键词
Incidence,emergency cesarean section,methods,obstetric outcome,obstetrics,pregnancy outcome,research design,sample size
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