Malignancy risk factors and prognostic variables of pancreatic mucinous cystic neoplasms in Chinese patients

Table 1 Clinicopathologic and radiological features in 48 patients

Variable	Benign group (n = 36)	Malignant group (n = 12)	P value
Sex			0.142
Male	8 (22.2)	6 (50.0)
Female	28 (77.8)	6 (50.0)
Age, yr			0.013
≥ 50	8 (22.2)	8 (66.7)
< 50	28 (77.8)	4 (33.3)
Clinical symptoms			0.499
Yes	20 (55.6)	8 (66.7)
No	16 (44.4)	4 (33.3)
Serum CA19-9 level			0.077
Elevate	9 (25)	7 (58.3)
Normal	27 (75)	5 (41.7)
Tumor size, cm			0.005
≥ 4	13 (36.1)	10 (83.3)
< 4	23 (63.9)	2 (16.7)
Location			0.348
Head and neck	8 (22.2)	5 (41.7)
Body and tail	28 (77.8)	7 (58.3)
Duct dilatation			0.039
Yes	10 (27.8)	8 (66.7)
No	26 (72.2)	4 (33.3)
Solid component/mural nodule			0.039
Yes	10 (27.8)	8 (66.7)
No	26 (72.2)	4 (33.3)
Septations			0.867
Yes	16 (44.4)	5 (41.7)
No	20 (55.6)	7 (58.3)
Calcification			0.851
Yes	9 (25)	4 (33.3)
No	27 (75)	8 (66.7)

Significant P in bold. Data presented in parentheses represent percentages. CA19-9: Carbohydrate antigen 19-9.