Criteria | Variable | Definition (ICD-9-CM or CPT Code) |
---|---|---|
Exclusion criteria | AF ablation | 37.34, 37.33, 93650, 93651, 93652 |
Cardioversion procedure valvular repair or replacement | 92960, 92961, 99.61, 33405, 33420, 33422, 33425, 33426, 33427, 33430, 33496, 35.01-35.02, 35.11-35.12, 35.21-35.24, V42.2, V43.3 | |
Valvular diseases | 394.xx, 396.xx, 746.5 | |
Hyperthyroidism | 242.9 | |
Evidence of pregnancy | V22.x, pregnancy EMR table | |
Outcome | Stroke or systemic embolism | All stroke or systemic embolism |
Ischemic stroke | Primary hospital discharge record: 433.x1, 434.x1, 436 | |
Hemorrhagic stroke | Primary hospital discharge record: 430, 431 | |
Systemic embolism | Primary hospital discharge record: 444.0, 444.1, 444.2x, 444.8x, 444.9, 557.x, 593.81 | |
Major bleed | A bleeding event will be defined as major if it was an intracranial bleed or any other bleed that was associated with the following: inpatient care (primary and secondary diagnosis of major bleed), blood transfusion of 2 or more units of whole blood or red blood cells, decreased hemoglobin or hematocrit of 2 g/dL or more, physician guided medical or surgical treatment, or death. | |
ICH | Primary or secondary hospital discharge record: 432.x Exclude ICH associated with a concomitant discharge diagnosis of major trauma (852.1, 852.3, 852.5, and 853.1) |
|
GI bleeding | Primary or secondary hospital discharge record: 530.21, 530.7, 530.82, 531.0x, 531.2x, 531.4x, 531.6x, 532.0x, 532.2x, 532.31, 532.4x, 532.6x, 534.0x, 534.2x, 534.4x, 534.6x, 535.x1, 537.83, 537.84, 537.89, 562.02, 562.03, 562.12, 562.13, 568.81, 569.3, 569.69, 569.85, 577.8, 578.x, 580.9, 596.7, 596.8, 599.7x | |
Other bleeding (e.g., intraspinal, pericardial, intra-articular, and intramuscular) | Primary or secondary hospital discharge record: 255.41, 423.0, 455.2, 455.5, 455.8, 456.0, 456.2. 456.8, 459.0, 719.1x, 784.7, 784.8, 785.59, 786.3, 853.0x | |
Others | To define major bleeding | |
Physician-guided medical or surgical treatment | From primary or secondary hospital discharge record: 10140, 10160, 11740, 21501, 21502, 23030, 23930, 25028, 26990, 27301, 27603, 30000, 30020, 30901, 30903, 30905, 30906, 31238, 32110, 32654, 32658, 33020, 40800, 40801, 41000, 41005, 41006, 41007, 41008, 41009, 41015, 41016, 41017, 41018, 41800, 42960, 42961, 42962, 42970, 42971, 42972, 43227, 43255, 43460, 43501, 44366, 44378, 44391, 45317, 45334, 45382, 46614, 47350, 47360, 47361, 47362, 52606, 54700, 57023, 57180, 61108, 61154, 61156, 61312, 61313, 61314, 61315, 61322, 61323, 65930, 69000, 69005, 91100 ICD procedure codes: 44.43, 44.44, 44.49 |
|
Covariates | Congestive heart failure | 428.x, 429.x |
Hypertension | 401.x, 402.x, 403.x, 404.x, 405.x | |
Diabetes mellitus | 250.x | |
Stroke or transient ischemic attack | 433.x1, 434.x1, 435.x, 436 (in hospital or emergency room visit records) | |
Peripheral vascular disease | 443.x | |
Liver cirrhosis | 571.2, 571.5, or 571.6 | |
Cardiomyopathy | 425.x | |
Dementia | 290.xx, 294.1x | |
Bleed | 530.21, 530.7, 530.82, 531.0x, 531.2x, 531.4x, 531.6x, 532.0x, 532.2x, 532.31, 532.4x 532.6x, 534.0x, 534.2x, 534.4x, 534.6x, 535.x1, 537.83, 537.84, 537.89, 562.02, 562.03, 562.12, 562.13, 568.81, 569.3, 569.69, 569.85, 577.8, 578.x, 580.9, 596.7, 596.8, 599.7x, 255.41, 423.0, 455.2, 455.5, 455.8, 456.0, 456.2. 456.8, 459.0, 719.1x, 784.7, 784.8, 785.59, 786.3, 853.0x | |
Myocardial infarction | 410.x (primary hospital discharge) | |
Mechanical fall | E880–E888 (in hospital or emergency room visit records) | |
Asthma/COPD/pulmonary embolism | 493.x, 491.x, 492.x, 496.x, 415.1x, 416.2 | |
Drug/alcohol dependence | 303.x, 304.x | |
Malignancy | 140.0-149.9, 150.0-159.9, 160.0-165.9, 170.0-170.9, 171.0-171.9, 172.0-172.9, 173.0-173.9, 174.0-175.9, 176.0-176.9, 179, 180.0-180.9, 181, 182.0-183.9, 184.0-184.9, 186.0-187.9, 188.0-188.9, 189.0-189.9, 190.1-190.9, 191.0-191.9, 192.0-192.9, 193, 194.0-194.9, 195.0-195.8, 196.0-198.89, 199.0-1S99.2, 200.00-202.98, 203.00-203.02, 203.10-203.12, 209.0-209.3, 235.0-235.9, 236.0-236.4, 236.6-236.91, 237.0-238.3 | |
Medication | Warfarin | GPI code: 77204030002010, 77204030002005, 77204030000305 |
Periprocedural anticoagulation (heparin, bivalrudin, and low-molecular-weight heparin) | GPI class code: 8310 | |
Antiarrythmic medications (quinidine, procainamide, disopyramide, propafenone, flecainide, amiodaron, dofetilide, and ibutilide, dronedarone) | GPI class code: 3510, 3520, 3530, 3540 | |
Clopidogrel, ticlopidine, and prasugrel, ticagrelor | GPI code: 85158020100320, 85158080100320 | |
Heart rate control medications: beta-blocker, calcium channel blocker, Digoxin | GPI class code: 3120, 3310, 3320, 3330, 34 | |
Secondary prevention medications (statins, angiotensin-converting engyme inhibitors, and angiotensin receptor blockers) | GPI class code: 3610, 3610, 3615, 3699, 3940 |
AF = atrial fibrillation; COPD = chronic obstructive pulmonary disease; CPT = Current Procedural Terminology; GI = gastrointestinal; GPI = Generic Product Identifier; ICD-9-CM = International Classification of Diseases, Ninth Revision, Clinical Modification; ICH = intracerebral hemorrhage.