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Table 4 Timing of probable or possible primary care events to secondary care defined upper gastrointestinal bleed admissions

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

Time difference between defining hospital event and closest probable or possible primary care event Frequency Percentage Cumulative percentage
Exact match 17,032 63.17 63.17
1 day prior or 1 week post 2,010 7.45 70.62
2 weeks pre or post event 707 2.62 73.24
1 month pre or post event 997 3.70 76.94
2 months pre or post event 1,089 4.04 80.98
> 2 months or no associated code 5,129 19.02 100.00
Total 26,964 100.00