Table 5.

The association between calculated threshold of main pancreatic duct (MPD) and malignancy in head-neck MPD-involved intraductal papillary mucinous neoplasms (IPMNs)

	Univariate analysis		Multivariate analysis
	OR (95%CI)	P value	OR	P value
MPD diameter (≥ 8.2 mm vs. < 8.2 mm)	5.73 (1.86–17.63)	0.002	9.75 (2.15–44.07)	0.003
MPD diameter (≥ 7.7 mm vs. < 7.7 mm)	4.86 (1.64–14.39)	0.004	–	–
Size (≥ 30 mm vs. < 30 mm)	3.22 (1.05–9.84)	0.040	6.64 (1.43–30.88)	0.016
CA19-9 (≥ 37 ng/ml vs. < 37 ng/ml)	5.00 (1.42–17.64)	0.012	6.85 (1.14–40.83)	0.04
Mural nodule (yes vs. no)	2.67 (0.63–11.23)	0.18	1.30 (0.21–8.12)	0.78

CA19-9 carbohydrate antigen 19-9, OR odds ratio