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Table 5 Timing of probable or possible secondary care events to primary care defined upper gastrointestinal bleed events

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 primary care event and closest probable or possible secondary care event

Frequency

Percentage

Cumulative percentage

Exact match

15,689

51.99

52.99

1 day prior or 1 week post

1,348

4.47

56.46

2 weeks pre or post event

469

1.55

58.01

1 month pre or post event

612

2.03

60.04

2 months pre or post event

573

1.90

61.94

> 2 months or no associated code

11,485

38.06

100.00

Total

30,176

100.00