Table 3: Time between recording of acute serious events in EHR (MedicineInsight) and linked (Reference) data for ‘true positive’ cases during 2019–20.

MedicineInsight index date vs reference index date (RID)	Acute pancreatitis		Myocardial infarction		Stroke		Suicide		VTE*
	n	%	n	%	n	%	n	%	n	%
1–30 days before RID	9	11.4	99	12.8	95	14.5	19	10.7	58	11.9
0–30 days after RID	53	67.1	532	68.8	357	54.5	89	50.3	328	67.5
>30 days before or after RID	17	21.5	142	18.4	203	31.0	69	39.0	100	20.6
Total	79	100.0	773	100.0	655	100.0	177	100.0	486	100.0
Median difference**(Q1, Q3) in days	2 (-1, 11)		0 (-1, 7)		0 (-5, 13)		1 (-21, 16)		2 (-1, 10)

*Venous Thromboembolism.

**difference=MedicineInsight index date minus RID.