Table 1.

Summary of the results of the quantitative (A) and qualitative (B) imaging analyses

(A) LEA	Mean HU ± SD of the ROI in conventional CT	Mean DU ± SD of the ROI in cone-beam CT	p-valuea
Onyx 18	48.15 ± 14.32 HU	57.77 ± 10.54 DU	p < 0.001
Squid 18	22.94 ± 9.12 HU	41.88 ± 7.22 DU
PHIL 25%	7.56 ± 1.34 HU	35.22 ± 5.84 DU
Saline	6.33 ± 1.21 HU	30.44 ± 2.07 DU
(B) LEA	Mean ± SD of the qualitative analysis in conventional CT	Mean ± SD of the qualitative analysis in cone-beam CT	p-valuea
Onyx 18	2.43 ± 0.44	1.78 ± 0.38	p < 0.001
Squid 18	2.70 ± 0.44	1.90 ± 0.53
PHIL 25%	3.88 ± 0.56	2.78 ± 0.41
Saline	5.00 ± 0.00	4.60 ± 0.48

^aKruskal-Wallis test; for the p-values of the post hoc test, see Table 2

LEA liquid embolic agent, HU Hounsfield units, DU density units, SD standard deviation, ROI region of interest