Table 2. Prevalence of involvement of each organ and serum levels of IL-6 and IgG4.
| Organ involvement | IL-6, pg/mL | IgG4, mg/dL | |
|---|---|---|---|
| Lacrimal gland, n (%) | 4 (9%) | 1.4 (0.9–2.4) | 614 (193–1052) |
| Salivary gland, n (%) | 16 (37%) | 1.5 (1.1–2.2) | 478 (290–811) |
| Pancreas, n (%) | 37 (86%) | 2.3 (1.3–4.7) | 285 (202–478) |
| Biliary tract, n (%) | 27 (63%) | 2.7 (1.8–5.9) | 243 (188–480) |
| Liver, n (%) | 4 (9%) | 20.6 (5.5–76.8) | 642 (184–1133) |
| Spleen, n (%) | 7 (16%) | 4.9 (2.0–34.0) | 498 (204–1080) |
| Kidney, n (%) | 8 (19%) | 3.8 (2.2–7.7) | 522 (251–809) |
| Retroperitoneum, n (%) | 4 (9%) | 2.3 (1.7–2.9) | 491 (304–717) |
| Lymph node, n (%) | 21 (49%) | 1.8 (1.1–3.6) | 485 (265–943) |
| Aorta/artery, n (%) | 1 (2%) | 3.0 | 244 |
IL-6: Interleukin-6
Continuous data values are presented as the median (interquartile range).