Efficiency and safety of radiofrequency-assisted hepatectomy for hepatocellular carcinoma with cirrhosis: A single-center retrospective cohort study

Table 1 Patients and hepatectomy characteristics n (%)

Variable	RF(-) group	RF(+) group	P value
	(n = 79)	(n = 100)
Age (yr)	50.27 ± 8.30	47.77 ± 8.96	0.06
Gender (male: female)	71:8	84:16	0.25
Cause of cirrhosis			0.92
Hepatitis B	70 (88.6)	90 (90.0)
Hepatitis C	3 (3.8)	4 (4.0)
Alcohol abuse	0	1 (1.0)
Unknown	6 (7.6)	5 (5.0)
Child-Pugh class			0.79
A	76 (96.2)	98 (98.0)
B	3 (3.8)	2 (2.0)
ICG R-15%1	5 (1.5-20.5)	4.2 (0.2-17.3)	0.16
TBIL (mg/dL)1	0.99 (0.35-5.14)	0.94 (0.29-4.3)	0.26
ALT (U/L)1	39 (11-227)	35 (14-212)	0.83
PT-INR	1.07 ± 0.09	1.06 ± 0.08	0.45
Platelets (× 109/L)	69.7 ± 17.2	72.3 ± 23.4	0.37
MELD Score	4.8 ± 2.37	4.12 ± 2.41	0.06
Dimensions of tumor (cm)			0.62
≤ 5	13 (16.5)	19 (19.0)
> 5 and ≤ 10	57 (72.2)	71 (71.0)
> 10	9 (11.3)	10 (10.0)
Number of tumors			0.19
Single	69 (87.3)	80 (80.0)
Multiple	10 (12.7)	20 (20.0)
Type of resection			0.26
Minor resection	49 (62.1)	70 (70.0)
Major resection	30 (37.9)	30 (30.0)

¹Non-normally distributed data were analyzed with the Mann-Whitney test; ICGR-15: Indocyanine green retention rate at 15 min; MELD: Model for end-stage liver disease.