TABLE 1.
Baseline Characteristics
| Type 1 MI (n = 2,097; 54.8%) | Type 2 MI (n = 1,225; 32%) | Injury (n = 507; 13.2%) | p Value | |
|---|---|---|---|---|
| Demographics | ||||
| Age, yrs | 45.0 (41.0–48.0) | 42.0 (34.0–47.0) | 41.0 (32.0–47.0) | <0.001 |
| Women | 404 (19.3) | 530 (43.3) | 204 (40.2) | <0.001 |
| White | 1,538 (73.3) | 792 (64.7) | 344 (67.9) | <0.001 |
| Income, $ | 71,392 (52,088–87,169) | 65,284 (50,718–86,240) | 64,178 (50,752–82,532) | <0.001 |
| Insurance type | ||||
| None | 191 (10.2) | 79 (8.0) | 22 (4.3) | <0.001 |
| Public | 310 (16.6) | 393 (39.9) | 171 (33.7) | |
| Private | 1,367 (73.2) | 513 (52.1) | 175 (34.5) | |
| Unknown | 229 (10.9) | 240 (19.6) | 139 (27.4) | |
| Comorbidities | ||||
| Diabetes | 405 (19.3) | 165 (13.5) | 79 (15.6) | <0.001 |
| Hypertension | 970 (46.3) | 419 (34.2) | 135 (26.6) | <0.001 |
| Dyslipidemia | 1,229 (58.6) | 172 (14.0) | 36 (7.1) | <0.001 |
| Current smoking | 1,063 (50.7) | 244 (19.9) | 85 (16.8) | <0.001 |
| eGFR, ml/min/m2 | 80.1 (67.8–91.6) | 65.8 (40.8–88.9) | 59.3 (32.5–87.0) | <0.001 |
| Creatinine, mg/dl | 1.1 ± 0.4 | 1.5 ± 1.4 | 1.7 ± 1.4 | <0.001 |
| Normalized troponin* | 41.4 (10.5–150.7) | 5.5 (2.1–17.0) | 3.3 (1.6–8.4) | <0.001 |
| Length of stay, days | 3.0 (2.0–5.0) | 5.0 (2.0–12.0) | 7.0 (3.0–16.0) | <0.001 |
| CCI | 1.0 (1.0–2.0) | 2.0 (1.0–3.0) | 2.0 (1.0–3.0) | <0.001 |
| Medications/treatment at discharge | ||||
| Aspirin | 1,945 (94.6) | 416 (39.0) | 62 (15.3) | <0.001 |
| P2Y12 inhibitor | 1,561 (76.0) | 47 (4.4) | 1 (0.2) | <0.001 |
| Statin | 1,840 (89.5) | 255 (23.9) | 43 (10.6) | <0.001 |
| Beta-blockers | 1,878 (91.3) | 513 (48.1) | 139 (34.3) | <0.001 |
| ACE inhibitors | 1,269 (61.7) | 271 (25.4) | 55 (13.6) | <0.001 |
| Coronary catheterization | 1,971 (94.0) | 269 (22.6) | 18 (3.6) | <0.001 |
| Coronary revascularization | 1,786 (85.2) | 27 (2.2) | 0 (0.0) | <0.001 |
| Outcomes | ||||
| In-hospital mortality | 42 (2.0) | 160 (13.1) | 102 (20.1) | <0.001 |
| All-cause mortality | 252 (12.0) | 419 (34.2) | 231 (45.6) | <0.001 |
| Cardiovascular mortality | 126 (6.0) | 106 (8.7) | 24 (4.7) | 0.002 |
Values are median (interquartile range), n (%), or mean ± SD.
*
Standardized to times >99th percentile for assay.
ACE = angiotensin-converting enzyme; CCI = Charlson Comorbidity Index; eGFR = estimated glomerular filtration rate; MI = myocardial infarction.