Supplementary 1. ICD9 codes used to identify underlying medical conditions ICD9 Code ICD9 condition name Cardiac Disease 093 Cardiovascular syphilis 112.81 Candidal endocarditis 130.3 Myocarditis due to toxoplasmosis 391 Rheumatic fever with heart involvement 392 Rheumatic chorea 393-398 Chronic rheumatic heart disease 402 Hypertensive heart disease 404 Hypertensive heart and chronic kidney disease 410-414 Ischemic heart disease 415 Acute pulmonary heart disease 416 Chronic pulmonary heart disease 417 Other diseases of pulmonary circulation 421 Acute and subacute endocarditis 423 Other diseases of pericardium 424 Other diseases of endocardium 425 Cardiomyopathy 427 Cardiac dysrhythmias 428 Failure 429 Ill-defined descriptions and complications of disease 440 Atherosclerosis 442 Other aneurysm 443 Other peripheral vascular disease
Supplementary 1. ICD9 codes used to identify underlying medical conditions ICD9 Code ICD9 condition name Cardiac Disease 093 112.81 130.3 391 392 393-398 402 404 410-414 415 416 417 421 423 424 425 427 428 429 440 442 443 Cardiovascular syphilis Candidal endocarditis Myocarditis due to toxoplasmosis Rheumatic fever with heart involvement Rheumatic chorea Chronic rheumatic heart disease Hypertensive heart disease Hypertensive heart and chronic kidney disease Ischemic heart disease Acute pulmonary heart disease Chronic pulmonary heart disease Other diseases of pulmonary circulation Acute and subacute endocarditis Other diseases of pericardium Other diseases of endocardium Cardiomyopathy Cardiac dysrhythmias Failure Ill-defined descriptions and complications of disease Atherosclerosis Other aneurysm Other peripheral vascular disease
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