Table 2.

Individual lesions characteristics

Characteristics		ARC group (n=115)	Control group (n=75)	p
Lesion volume (mL)	Median (IQR)	25.3 (73.6)	10.8 (20.5)	0.010*
Target, n (%)	Whole liver (bilobar)	51 (44.3)	46 (61.3)	0.052
	Lobar	58 (50.4)	28 (37.3)
	Selective	6 (5.2)	1 (1.3)
Tumor type, n (%)	Colorectal m.	48 (41.7)	22 (29.3)	0.001*
	HCC	24 (20.9)	19 (25.3)
	Neuroendocrine m.	30 (26.1)	34 (45.3)
	Miscellaneous	13 (11.3)	0 (0.0)

ARC, antireflux catheter; IQR, interquartile range; m., metastases; HCC, hepatocellular carcinoma.

For continuous variables, Mann-Whitney U test was used. For categorical variables, comparisons were made using chi-square test or, when expected counts was low, a Fisher-Freeman-Halton test.

^*Indicates a significant result at a 5% type I error.