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Figure 1 | BMC Health Services Research

Figure 1

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

Figure 1

Upper Gastrointestinal Bleed Events Defined in Linked HES and GPRD Data, England, 1997–2010. The percentages shown are of the combined unique events in box 1. GPRD- General Practice Research Database; HES - Hospital Episodes Statistics; ICD 10 - International Classification of Diseases 10th Edition; GI - Gastrointestinal; READ- Read code.

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