Table 3.

Features associated with causes of first admission of patients with SLE. Values are mean ± SD, median (interquartile range), or n (%).

FeaturesActive SLE, n = 59SLE Damage, n = 30Other Comorbidities, n = 22Infection, n = 47Incidental, n = 89
Age, yrs34.68 ± 12.6443.90 ± 18.3955.13 ± 23.0243.53 ± 15.0547.61 ± 18.26
SLE duration, yrs5.92 ± 6.7017.23 ± 11.8716.60 ± 10.5315.20 ± 12.0516.23 ± 13.79
SDI0 (0–1)3 (1–4)2 (0–3)2 (0–4)1 (0–3)
Antimalarial-treated34 (56.7)13 (43.3)10 (45.5)19 (40.4)46 (52.3)
Prednisone-treated34 (56.7)21 (70.0)9 (40.9)39 (83.0)54 (61.4)
Prednisone dose, mg/day18.56 ± 16.4511.05 ± 8.116.67 ± 2.1712.02 ± 11.0911.69 ± 8.06
Immunosuppressive-treated22 (36.7)15 (50.0)3 (13.6)23 (48.9)30 (34.1)
  • p < 0.05 from ANOVA tests for mean difference, Kruskal-Wallis tests for median, and chi-square tests for percentage differences. SLE: systemic lupus erythematosus; SDI: Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index.