Table S1.
ICD, Ninth Revision, Clinical Modification (ICD-9-CM) codes of procedures, comorbidities, and adverse outcomes
| Variables | ICD-9-CM code |
|---|---|
| Procedure | |
| Percutaneous coronary intervention | 00.66, 36.01, 36.02, 36.05, 36.06, 36.07, 36.09 |
| Coronary artery stenting | 36.06, 36.07 |
| Comorbidity | |
| Chronic obstructive pulmonary disease | 490–492, 496 |
| Acute exacerbation | 491.21 |
| Hypertension | 401–405, 437.2 |
| DM | 250, 357.2, 362.0, 366.41 |
| Hyperlipidemia | 272.0–272.4 |
| CHF | 428 |
| Chronic kidney disease | 585 |
| Peripheral artery disease | 443, 444 |
| Prior stroke | 430–438 |
| Dementia | 290, 294.1, 294.8, 331.0, 331.1, 331.8 |
| Parkinson’s disease | 332 |
| Acute coronary syndrome | 410, 411, 413 |
| Adverse outcome | |
| Coronary artery bypass grafting | 36.1 |
| Cerebrovascular events | 430–436 |
| Ischemic stroke (artery occlusion) | 433, 434 |
| Hemorrhagic stroke | 431, 432 |
| Transient ischemic attack | 435 |
| Subarachnoid hemorrhage | 430 |
| Acute myocardial infarction | 410 |
Abbreviations: CHF, congestive heart failure; DM, diabetes mellitus.