Table 1. Demographic characteristics and comorbidities in patients with and without systemic lupus erythematosus.
| Variable | SLE, n(%) | p value | |
| No | Yes | ||
| N = 42492 | N = 10623 | ||
| Sex | |||
| Female | 37508(88.3) | 9377(88.3) | 0.99 |
| Male | 4984(11.7) | 1246(11.7) | |
| Age, mean(SD) | 37.1(11.9) | 37.3(11.5) | 0.07# |
| Age | |||
| 20–34 years | 18596(43.8) | 4649(43.8) | 0.99 |
| 35–49 years | 14012(33.0) | 3503(33.0) | |
| 50–64 years | 6480(15.3) | 1620(15.3) | |
| 65+ years | 3404(8.01) | 851(8.01) | |
| Comorbidities | |||
| Hypertension | 2853(6.71) | 2017(19.0) | <0.0001 |
| Diabetes | 1687(3.97) | 540(5.08) | <0.0001 |
| Hyperlipidemia | 765(1.80) | 646(6.08) | <0.0001 |
| CAD | 1023(2.41) | 514(4.84) | <0.0001 |
| CVA | 1071(2.52) | 635(5.98) | <0.0001 |
| ESRD | 197(0.46) | 350(3.29) | <0.0001 |
Chi-square test, #: Two sample t-test.