| 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) |