Table 4 Relationship of artemin and GFRα3 mRNA expression with different pathomorphological criteria in 66 patients with chronic pancreatitis.

Score	Severity of inflammation	Activity of inflammation	Severity of perineural inflammation	Activity of perineural inflammation	Severity of fibrosis	Severity of pain
0	n = 6	n = 23	n = 14	n = 43	n = 10	n = 18
I	n = 23	n = 28	n = 24	n = 14	n = 29	n = 8
II	n = 21	n = 15	n = 28	n = 9	n = 27	n = 40
III	n = 16	–	–	–	–	–
Artemin KW value	9.2	1.1	8.5	0.8	6.3	11.2
p Value	0.03*	0.57	0.04*	0.67	0.04*	0.003*
GFRα3 KW value	3.7	3.3	3.2	7.6	1.4	2.1
p Value	0.30	0.19	0.37	0.02*	0.50	0.35

GFRα3, glial derived neurotrophic factor family receptor α3; KW, Kruskal–Wallis.