Sociodemographic characteristics of patients hospitalized for acute myocardial infarction.
| Characteristic | Control, n = 667,956 | SLE Group, n = 2192 | DM Group, n = 236,016 | SLE/DM Group, n = 474 | p |
|---|---|---|---|---|---|
| Age in yrs, mean (± SD) | 56.7 (9.5) | 52.7 (10.8) | 59.1 (8.4) | 56.3 (9.2) | < 0.001 |
| Female, % | 27 | 78 | 39 | 83 | < 0.001 |
| Race/ethnicity, % | |||||
| White | 69 | 59 | 62 | 54 | < 0.001 |
| Black | 7 | 16 | 10 | 20 | < 0.001 |
| Hispanic | 4 | 4 | 7 | 10 | < 0.001 |
| Other/unknown | 20 | 20 | 21 | 16 | < 0.001 |
| Median income category, % | |||||
| < $25,000 | 69 | 77 | 74 | 78 | < 0.001 |
| $25,000–$35,000 | 16 | 13 | 15 | 13 | < 0.001 |
| > $35,000 | 14 | 10 | 11 | 9 | < 0.001 |
DM: diabetes mellitus; SD: standard deviation; SLE: systemic lupus erythematosus.