Table 3. Clinical features of 10 patients with elevated IL-6.

Case	Gender	Age (y)	IL-6 (pg/mL)	WBC (/μL)	Hb (g/dL)	Alb (g/dL)	CRP (mg/dL)	IgG4 (mg/dL)	Diagnosis according to ICDC or CCD	relapse	Organ involvement
1	Female	71	91.1	4000	8.8	2.5	3.75	177	Definite	-	Pancreas, Biliary tract, Kidney, Lymph node, Liver, Spleen
2	Female	64	34	10400	7.8	1.5	5.05	1080	Definite	+	Pancreas, Lymph node, Liver, Spleen
3	Male	60	12.3	4700	11.5	N/A	2.27	83.8	Possible	-	Pancreas, Biliary tract
4	Male	69	7.9	5600	12.4	3.7	0.38	465	Definite	-	Pancreas, Biliary tract, Salivary gland, Kidney
5	Male	73	7.2	8100	11.8	3.2	0.60	204	Definite	-	Pancreas, Biliary tract, Kidney, Liver, Spleen
6	Male	53	6.9	7100	12.9	3.9	0.18	244	Definite	-	Pancreas, Biliary tract, Lymph node
7	Male	81	6.6	6400	14.3	3.6	0.11	133	Definite	+	Pancreas, Biliary tract
8	Male	74	6.2	3700	11.7	3.5	0.30	120	Possible	-	Pancreas, Biliary tract
9	Male	84	4.9	7500	13.7	N/A	0.60	1150	Definite	+	Pancreas, Biliary tract, Kidney, Lymph node, Liver, Spleen
10	Male	73	4.4	5300	14.2	3.2	0.82	234	Definite	-	Pancreas, Biliary tract

IL-6: Interleukin-6, WBC: White blood cells, Hb: Hemoglobin, Alb: Albumin, CRP: C-reactive protein

N/A: Not available