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. Author manuscript; available in PMC: 2022 May 1.
Published in final edited form as: J Biomed Inform. 2021 Mar 11;117:103719. doi: 10.1016/j.jbi.2021.103719

Table 2.

This table presents the drug counts for each adverse event in the OMOP reference dataset. The number of drug/adverse event pairs was reduced by excluding misclassified pairs published by Hauben [82] and by the limited power of the available data in the EHR itself. The number in parentheses reflects the actual count of drug/adverse event pairs that we analyzed.

Adverse Event Type + Case − Ctrl Total
Acute kidney failure (10) 24 (9) 64 (19) 88
Acute liver failure (43) 81 (11) 37 (54) 118
Acute myocardial infarction (15) 36 (23) 66 (38) 102
Gastrointestinal hemorrhage (20) 24 (32) 67 (52) 91
Total (88) 164 (75) 235 (163) 399