Table 3:

Overall comorbidity comparison between the entire cohort of raw CPRD, HES, and ONS data the OMOP CDM cohort

Comorbidity	Unique patients % (n)		Unmapped patients % (n)	Incorrectly mapped patients % (n)
	Original	OMOP CDM
AF	35.39 (177 954)	35.40 (177 866)	0.05 (91)	0.001 (3)
COPD	49.55 (249 119)	53.33 (267 925)	0.005 (13)	7.02 (18 819)
T2DM	23.86 (119 968)	24.09 (121 059)	0.23 (280)	1.13 (1371)
AMI	20.29 (102 020)	20.31 (102 028)	0.01 (11)	0.02 (19)
HT	65.84 (331 011)	65.86 (330 884)	0.041 (138)	0.003 (11)
Cancer (all types)	26.86 (135 047)	27.34 (137 380)	0.048 (65)	1.74 (2398)

AF, atrial fibrillation; COPD, chronic obstructive pulmonary disease; T2DM, type 2 diabetes, AMI, acute myocardial infarction; HT, hypertension.