Table 1.
Baseline Characteristics of Black and White Patients Hospitalized With NSTEMI; ARIC Community Surveillance Study, 2000–2014
| Black Patients (n=6343) | White Patients (n=11 412) | P Value | |
|---|---|---|---|
| Demographics | |||
| Age, y | 60±0.3 | 66±0.2 | <0.0001 |
| Female | 2834 (45) | 4324 (38) | <0.0001 |
| Geographic location | |||
| Forsyth County, NC | 2507 (40) | 4647 (41) | <0.0001 |
| Jackson, MS | 3113 (49) | 1025 (9) | |
| Minneapolis, MN | 624 (10) | 3664 (32) | |
| Washington, MD | 99 (2) | 2077 (19) | |
| Medical insurancea | 4427 (88) | 7887 (93) | <0.0001 |
| Year of hospitalization | 2009±0.1 | 2008±0.1 | <0.0001 |
| Medical history | |||
| Current smoker | 2299 (36) | 3286 (29) | <0.0001 |
| Diabetes mellitus | 3169 (50) | 4258 (37) | <0.0001 |
| Chronic kidney diseaseb | 1980 (38) | 2579 (29) | <0.0001 |
| Prior MI | 1890 (30) | 3615 (32) | 0.3 |
| Prior angioplasty | 1326 (21) | 2880 (25) | 0.001 |
| Prior CABG | 726 (11) | 2399 (21) | <0.0001 |
| Valvular heart disease/cardiomyopathy | 1718 (27) | 2225 (20) | <0.0001 |
| Stroke | 1002 (16) | 1162 (10) | <0.0001 |
| Hospital visit | |||
| Chest pain | 5110 (81) | 9477 (83) | 0.07 |
| Elevated enzymes (>2× ULN) | 6332 (99.8) | 11 242 (98.5) | <0.0001 |
| ST‐segment depression | 4135 (65) | 7168 (63) | 0.1 |
| Ventricular fibrillation/cardiac arrest | 341 (5) | 791 (7) | 0.02 |
| Acute pulmonary edema/heart failure | 2595 (41) | 3302 (29) | <0.0001 |
| Cardiogenic shock | 143 (2) | 407 (4) | 0.0009 |
| Weekend admission | 1627 (26) | 2928 (26) | 1.0 |
| Transferred to/from other hospital | 71 (1) | 914 (8) | <0.0001 |
Data are shown as mean±SEM or n (%). ARIC indicates Atherosclerosis Risk in Communities; CABG, coronary artery bypass grafting; MI, myocardial infarction; NSTEMI, non–ST‐segment–elevation myocardial infarction; ULN, upper limit of normal.
Medical insurance not routinely abstracted before 2005 and based on a subset (n=13 505) of patients.
Serum creatinine not routinely abstracted before 2005. Chronic kidney disease defined by estimated glomerular filtration rate <45 mL/min/1.73 m2 by the Chronic Kidney Disease Epidemiology Collaboration equation, in a subset (n=14 309) of patients with available creatinine assessments or receipt of hemodialysis.