Resection of pancreatic cystic neoplasms in recurrent acute pancreatitis prevents recurrent pancreatitis but does not identify more malignancies

Table 5 Characteristics of patients with branch-duct intra-ductal papillary mucinous neoplasm with and without recurrent acute pancreatitis

	With RAP (n = 15)	Without RAP (n = 44)	Risk difference [95%CI]	P value
	n (%)	n (%)
Median age	60 (IQR 23)	65 (IQR 12.5)	NA	0.50
Sex (M)	8 (53.3)	24 (54.6)	NA	0.94
Location of cyst
Head	11 (73)	28 (64)	0.10 [-0.17, 0.36]	0.47
Body/Tail	4 (9.1)	16 (36)	-0.10 [-0.36, 0.17]	0.47
Main pancreas duct > 10	2 (13.3)	2 (4.6)	0.09 [-0.10, 0.27]	0.35
Cyst size > 3 cm	6 (40)	21 (47.7)	-0.08 [-0.37, 0.21]	0.60
Solid component	2 (13.3)	4 (9.1)	0.04 [-0.15, 0.23]	0.66
Malignancy	5 (33.3)	3 (6.8)	0.27 [0.02, 0.52]	0.04
Pathological subtype
Intestinal	7 (46.7)	4 (9.1)	0.38 [0.11, 0.64]	0.006
Gastric	0	30 (68.2)	-0.68 [-0.84, -0.52]	< 0.001
Pancreatobiliary	4 (26.7)	7 (16)	0.11 [-0.14, 0.36]	0.4
Oncocytic	0	0	NA	NA
Unknown	4 (26.7)	3 (6.8)	0.20 [-0.04, 0.43]	0.10

RAP: Recurrent acute pancreatitis; IQR: Interquartile range; NA: Not available; CI: Confidence interval.