Pulmonary hypertension prevalence by demographics of patients with SLE
| Demographics | With pulmonary hypertension | Without pulmonary hypertension | P value |
| Sex | 0.2463 | ||
| Female | 195 (8.2) | 2190 (91.8) | |
| Male | 12 (5.9) | 192 (94.1) | |
| Ethnicity | <0.0001 | ||
| Caucasian | 81 (5.9) | 1283 (94.1) | |
| African–American | 117 (11.5) | 901 (88.5) | |
| Asian | 6 (5.6) | 101 (94.4) | |
| Other | 3 (3.0) | 97 (97.0) | |
| History of smoking | 0.0035 | ||
| Ever | 94 (10.2) | 832 (89.8) | |
| Never | 113 (6.9) | 1529 (93.1) |
Data presented as n (%).