Table 2.

Background characteristics on Ccr

	Normal Ccr group (n = 160)	Abnormal Ccr group (n = 37)	P
Age (yr)	66 (30-82)	71 (46-85)	0.0344
Sex (male:female)	116:44	31:6	0.1552
Height (cm)	160.6 (134.5-179.6)	162.4 (133.9-182.7)	0.4109
Weight (kg)	59.2 (33.0-95.6)	61.6 (44.5-93.0)	0.3543
Hepatitis virus (-:+)	76:84	15:22	0.4441
ICGR15 (%)	13 (1-74)	14 (4-49)	0.9085
Preoperative treatment (-:+)	134:26	32:5	0.6804

Hepatitis virus indicates hepatitis B, C, B + C; Preoperative treatment indicates biliary drainage, TAE and portal vein embolization.