Use of hospitalisation history (lookback) to determine prevalence of chronic diseases: impact on modelling of risk factors for haemorrhage in pregnancy

<p>Abstract</p> <p>Background</p> <p>Concern about the completeness of comorbidity information in hospital records has been raised as a limitation of using hospital discharge data for research. The aim of this study is to assess the impact of additional comorbidity info...

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Bibliographic Details
Main Authors: Simpson Judy M, Roberts Christine L, Chen Jian Sheng, Ford Jane B
Format: Article
Published: BMC 2011-05-01
Series:BMC Medical Research Methodology
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