Characteristic | SLE with PAH (n = 336) | SLE without PAH (n = 15,447) | P value |
---|---|---|---|
Gender | 0.01 | ||
Female | 309 (91.9) | 13,474 (87.2) | |
Male | 27 (8.04) | 1973 (12.77) | |
Age at diagnosis of SLE, years | 36.81 ± 16.76 | 37.08 ± 16.99 | 0.77 |
Age groups at diagnosis of SLE, years | 0.45 | ||
< 45 | 246 (73.21) | 10,842 (70.19) | |
45–64 | 65 (19.35) | 3409 (22.07) | |
≥ 65 | 25 (7.44) | 1196 (7.74) | |
Age at diagnosis of PAH, years | 40.47 ± 16.60 | – | |
Interval between SLE and PAH, years | 3.66 ± 3.26 | – | |
Mean follow-up duration, years (min-max) | 7.4 (0.1–13.9) | 6.5 (0.1–13.9) | < 0.001 |
Comorbidity | |||
Diabetes mellitus | 15 (4.46) | 774 (5.01) | 0.64 |
Hypertension | 72 (21.43) | 2456 (15.90) | 0.006 |
Dyslipidemia | 21 (6.25) | 1171 (7.58) | 0.36 |
Chronic kidney disease | 22 (6.55) | 1357 (8.78) | 0.15 |