Table 1. Patient characteristics and etiologies of MPD dilatation.

Patients, n	27
Average age, years [min-max]	61.8 [36–85]
Sex, % (n)
Female	29.6 % – (8)
Male	70.4 % – (19)
Tobacco, % (n)	40.7 % (11)
Alcohol, % (n)	29.6 % (8)
Average BMI, [min-max]	22.4 [16–37]
Daily analgesic consumption 1 , % (n)
Level I	96.2 % (26)
Level II	14.8 % (4)
Level III	18.5 % (5)
Pain, % (n)
Postprandial/continuous	40 % (11)
Acute pancreatic attacks	60 % (16)
Etiology of MPD dilation
Chronic pancreatitis (classification TIAR-O)	66.6 % (18)
Toxic – metabolic	50 % (9)
Obstructive	16.6 % (3)
Idiopathic	33.3 % (6)
Altered anatomy post CDP	33.3 % (9)
IPMN	44.4 % (4)
Cystic dystrophy	11.1 %(1)
Ampulloma	22.2 % (2)
Mucinous cystadenoma	11.1 % (1)
GIST	11.2 % (1)

MPD, main pancreatic duct; CDP, cephalic duodenopancreatectomy; IPMN, intraductal papillary mucinous neoplasm; GIST, gastrointestinal stromal tumor.

¹According to OMS classification