Table 3. Multiple linear regression analysis of patient characteristics and test bolus parameters associated with VCE.

Variables	Correlation	Coefficient standard error	P value	95% confidence interval
Age (years)	2.15	0.49	0.0001*	1.33 to 2.97
Sex	37.60	10.29	0.0001*	20.45 to 54.75
BSA (m2)	−157.36	33.86	0.0001*	−213.80 to −100.95
PCE at test bolus (HU)	1.22	0.18	0.0001*	0.92 to 1.53

*, P<0.05; BSA, body surface area; PCE, peak contrast enhancement; VCE, vessel contrast enhancement.