Table 1.
Baseline characteristics.
| Variable | Total (n=7,185) | Hospital survival (n=2,997) | Hospital death (n=4,188) | p-value |
|---|---|---|---|---|
| Mean age, years | ||||
| 18–38 | 921 (12.8) | 524 (56.9) | 397 (43.1) | <0.001 |
| 39–52 | 1,371 (19.1) | 644 (47.0) | 727 (53.0) | 0.002 |
| 53–62 | 1,895 (26.4) | 811 (42.8) | 1,084 (57.2) | <0.001 |
| 63–70 | 1,705 (23.7) | 625 (36.7) | 1,080 (63.3) | <0.001 |
| ≥71 | 1,293 (18.0) | 393 (30.4) | 900 (69.6) | <0.001 |
| Gender | ||||
| Male | 4,852 (67.5) | 2,112 (43.5) | 2,740 (56.5) | <0.001 |
| Female | 2,333 (32.5) | 885 (37.9) | 1,448 (62.1) | |
| Race | ||||
| White | 4,536 (63.1) | 1,892 (41.7) | 2,644 (58.3) | <0.001 |
| Black | 617 (8.6) | 281 (45.5) | 336 (54.5) | 0.002 |
| Asian | 997 (13.9) | 424 (42.5) | 573 (57.5) | <0.001 |
| Hispanic | 368 (5.1) | 136 (37.0) | 232 (63.0) | <0.001 |
| Other | 667 (9.3) | 264 (39.6) | 403 (60.4) | <0.001 |
| Diabetes melitus | 680 (9.5) | 252 (37.1) | 428 (62.9) | <0.001 |
| Uncontrolled hypertension | 1,022 (14.2) | 349 (34.1) | 673 (65.9) | <0.001 |
| Dyslipidemia | 488 (6.8) | 163 (33.4) | 325 (66.6) | <0.001 |
| COPD | 142 (2.0) | 50 (35.2) | 92 (64.8) | <0.001 |
| Obstructive sleep apnea | 106 (1.5) | 36 (34.0) | 70 (66.0) | <0.001 |
| Asthma | 78 (1.1) | 30 (38.5) | 48 (61.5) | 0.004 |
| Chronic kidney disease | 466 (6.5) | 163 (35.0) | 303 (65) | <0.001 |
| Atrial fibrillation | 697 (9.7) | 306 (43.9) | 391 (56.1) | <0.001 |
| Acute coronary syndrome | 882 (12.3) | 288 (32.7) | 594 (67.3) | <0.001 |
| Unstable angina | 411 (5.7) | 162 (39.4) | 249 (60.6) | <0.001 |
| STEMIa | 380 (5.3) | 146 (38.4) | 234 (61.6) | <0.001 |
| Cardiomyopathy | 669 (9.3) | 345 (51.6) | 324 (48.4) | 0.251 |
| Myocarditis | 43 (0.6) | 22 (51.2) | 21 (48.8) | 0.829 |
| Heart failure | 659 (9.2) | 263 (39.9) | 396 (60.1) | <0.001 |
| Pulmonary hypertension | 301 (4.2) | 120 (39.9) | 181 (60.1) | <0.001 |
| Pulmonary embolism | 45 (0.6) | 27 (60.0) | 18 (40.0) | 0.055 |
| Bacterial endocarditis | 278 (3.9) | 129 (46.4) | 149 (53.6) | 0.089 |
| Cancer diagnosis | 91 (1.3) | 33 (36.3) | 58 (63.7) | <0.001 |
a
Last 90 days
COPD, chronic obstructive pulmonary disease; STEMI, ST-segment elevation myocardial infarction.