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Table 1 Demographic information and characteristics of systemic lupus erythematosus (SLE) patients with and without pulmonary arterial hypertension (PAH)

From: Incidence and survival impact of pulmonary arterial hypertension among patients with systemic lupus erythematosus: a nationwide cohort study

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
  1. Data are presented as n (%) or mean ± SD unless otherwise noted