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An algorithm to identify incident myocardial infarction using Medicaid data.

Choma NN, Griffin MR, Huang RL, Mitchel EF, Kaltenbach LA, Gideon P, Stratton SM, Roumie CL. An algorithm to identify incident myocardial infarction using Medicaid data. Pharmacoepidemiology and drug safety. 2009 Nov 1; 18(11):1064-71.

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ICD-9 code 410.x had high predictive value for identifying AMI. Among those with AMI, smoking and aspirin use was similar in NSAID exposure groups, suggesting these factors will not confound the relationship between NSAIDs and cardiovascular outcomes.

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