Open Access Research article

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

Colin John Crooks12*, Timothy Richard Card12 and Joe West12

Author Affiliations

1 Division of Epidemiology and Public Health, The University of Nottingham, Clinical Sciences Building 2, City Hospital, Nottingham, NG5 1PB, UK

2 Nottingham Digestive Diseases Centre, National Institute for Health Research Biomedical Research Unit, Queen’s Medical Centre, Nottingham University Hospitals National Health Service Trust, Nottingham, NG7 2UH, UK

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BMC Health Services Research 2012, 12:392  doi:10.1186/1472-6963-12-392

Published: 13 November 2012

Additional files

Additional file 1:

Table S1. Word document file containing a table of the ICD 10 supporting codes in each category and their frequency in this study.

Format: DOCX Size: 16KB Download file

Open Data

Additional file 2:

Table S2. Word document file containing a table of the Read supporting codes in each category and their frequency in this study.

Format: DOCX Size: 21KB Download file

Open Data