Skip to main content

Advertisement

Table 1 Demographics and clinical characteristics of the cross-sectional and longitudinal study groups

From: Plasma C4d as marker for lupus nephritis in systemic lupus erythematosus

Characteristics Study 1 (n = 98) Cross-sectional Higher/lower disease activity Study 2 (n = 69) Longitudinal
Age at sampling, years, median (range) 41 (14–75)/43 (19–81) 39.2 (18–76)
Female sex, n (%) 88 (91) 63 (91.3)
Disease duration, years, median (range) 4 (0–40)/7 (0–43) 7.5 (0–41)
Follow-up duration, days, median (range) N/A 778 (139–1792)
SLEDAI-2K 9 (2–28)/2 (0–12) 2 (0–24)
ACR classification criteria, n
 Malar rash 65 46
 Discoid rash 29 19
 Photosensitivity 61 43
 Oral ulcer 29 24
 Arthritis 82 60
 Serositis 56 39
 Lupus nephritis 45 34
 Neurological disorder 8 3
 Hematological disorder 53 38
 Immunological disorder 74 53
 Antinuclear antibodies 96 69
Treatment, n
 Antimalarial 36/35 46
 Corticosteroid 64/64 55
 Immunomodulatory 42/51 41
  1. ACR American College of Rheumatology, SLEDAI-2K Systemic Lupus Erythematosus Disease Activity Index 2000