Table 1.

Characteristics of patients with IgG4-related disease

Clinical parameters
IgG4-RD responder index, median (range)	12 (6–21)
Serum IgG (mg/dl), median (range)	1729 (934–3593)
Serum IgG4 (mg/dL), median (range)	387.5 (65–2178)
Soluble IL-2 receptor (U/mL), median (range)	448 (202–1963)
Atopic features
Past atopic history, n (%)	17 (61%)
Serum IgE (IU/mL), median (range)	310 (38–3300)
Blood eosinophil count (cells/µL), median (range)	231 (62–1568)
Organs involved
Number of affected organs, median (range)	3 (1–6)
Lacrimal gland and orbit, n (%)	22 (79%)
Salivary gland, n (%)	19 (68%)
Lymph node, n (%)	16 (57%)
Lung, n (%)	7 (25%)
Pancreas, n (%)	7 (25%)
Kidney, n (%)	5 (18%)
Retroperitoneum, n (%)	3 (11%)
Aorta, n (%)	2 (7%)
Skin, n (%)	2 (7%)
Breast, n (%)	1 (4%)
Paravertebral mass, n (%)	1 (4%)

IgG4-RD, IgG4-related disease; IL-2, interleukin-2.