C-arm computed tomography and volume perfusion computed tomography (VPCT)-based assessment of blood volume changes in hepatocellular carcinoma in prediction of midterm tumor response to transarterial chemoembolization: a single center retrospective trial

Table 4 Comparison of lesions with OR to no OR

Parameter	OR	SD, PD	p-value
n	26	18	n. a.
Baseline mRECIST (mm)	23.16 (±10.32)	28.89 (±16.1)	0.4749
PBV ratio	0.95 (±0.06)	0.67 (±0.38)	0.0303
ALP ratio	0.84 (±0.3)	0.43 (±0.66)	0.0163
HPI ratio	0.77 (±0.44)	0.47 (±0.58)	0.0521
BV ratio	0.63 (±0.34)	0.15 (±0.6)	0.0023
BF ratio	0.6 (±0.32)	0.22 (±0.51)	0.008

Ratios of perfusion parameters gained by C-arm CT and VPCT are given. The p-value indicates the level of significance. Arithmetic mean and standard deviation are given
Abbreviations: PBV parenchymal blood volume, BF blood flow, BV blood volume, ALP arterial liver perfusion, HPI hepatic perfusion index, n number of cases, n.a. not applicable

ISSN: 1470-7330