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Table 1 Demographic, clinical, and laboratory characteristics of the 72 patients with immunoglobulin G4-related disease

From: Association of serum levels of fibrosis-related biomarkers with disease activity in patients with IgG4-related disease

  IgG4-RD (n = 72)
Age, years 66 (61–72)
Male 45 (62.5)
Disease duration, months 11 (5–34)
Initial treatment Glucocorticoids; 57 (79.2)
Observation; 15 (20.8)
Laboratory data
 Total-IgG, mg/dL 1900 (1490–2480)
 IgG4, mg/dL 457 (260–705)
 IgG4 ≥135 mg/dL 68/72 (94.4)
 IgG4/total IgG, % 23.9 (15.4–34.3)
 IgE, U/mL 352 (130–681)
 CH50, U/mL 43.6 (37.5–53.8)
 C3, mg/dL 85.5 (75.0–99.9)
 C4, mg/dL 19.7 (13.0–27.1)
 sIL-2R, U/mL 762 (467–1093)
  1. The data are median (interquartile range, Q1–4–Q3/4) or number (percentage). Abbreviations: IgG4-RD immunoglobulin G4-related disease, sIL-2R soluble interleukin-2 receptor