Defining upper gastrointestinal bleeding from linked primary and secondary care data and the effect on occurrence and 28 day mortality

Defining upper gastrointestinal bleeding from linked primary and secondary care data and the effect on occurrence and 28 day mortality

<p>Abstract</p> <p>Background</p> <p>Primary care records from the UK have frequently been used to identify episodes of upper gastrointestinal bleeding in studies of drug toxicity because of their comprehensive population coverage and longitudinal recording of prescript...

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Bibliographic Details
Main Authors: Crooks Colin, Card Timothy, West Joe
Format: Article
Language:English
Published: BMC 2012-11-01
Series:BMC Health Services Research
Subjects:
Selection bias
Mortality
Data linkage
Upper gastrointestinal bleeding
Case definitions
Online Access:http://www.biomedcentral.com/1472-6963/12/392

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