TABLE 2.

Univariate analysis – malignant vs non-malignant IPMN

	Malignant IPMN n=82	Non-malignant IPMN n=102	P
Median age - years (range)	68 (37–85)	68 (34–88)	0.553
Median radiologic size - cm (range)	3.2 (1–13)	2.7 (1–7)	0.006
Solid component/mural nodule – n (%)	32 (39%)	8 (8%)	<0.001
≥ 3 cm – n (%)	45 (61%)	38 (38%)	0.004
Symptomatic – n (%)	49 (60%)	52 (51%)	0.297
Uncinate process cystic lesion – n (%)	22 (28%)	28 (27%)	1
Type
Main-duct – n (%)	31 (38%)	6 (6%)	<0.001
Combined-duct – n (%)	23 (28%)	17 (17%)	0.073
Branch-duct – n (%)	28 (34%)	79 (77%)	<0.001
Ductal dilation
Main duct – n	54	23	<0.001
Branch duct – n	27	33	1
Uncinate duct – n	30	17	0.004

“Malignant IPMN” = IPMN with HGD or IC; “Non-malignant IPMN” = IPMN with moderate of low-grade dysplasia