Multiphase computed tomography radiomics of pancreatic intraductal papillary mucinous neoplasms to predict malignancy

Table 2 Computed tomography Hounsfield units measured in the intraductal papillary mucinous neoplasm study cohort by contrast phase

	Benign	Malignant	P value
	n = 22	n = 29
Hounsfield units
Noncontrast aorta	41 ± 6	42 ± 6	0.38
Noncontrast IVC	40 ± 7	40 ± 6	0.85
Arterial phase aorta	322 ± 62	311 ± 70	0.64
Arterial phase IVC	71 ± 30	68 ± 43	0.50
Venous phase aorta	152 ± 30	144 ± 26	0.37
Venous phase IVC	116 ± 30	118 ± 35	0.97

IVC: Inferior vena cava.