Comparison of the efficacy of laparoscopic hepatectomy and radiofrequency ablation for small hepatocellular carcinoma: A retrospective study

Table 2 Comparison of intraoperative and postoperative data between the two groups

Variable	LH group (n = 109)	RFA group (n = 145)	t/χ2	P value
Operating time (minutes)	120.52 ± 33.19	43.68 ± 8.48	23.598	< 0.001
Blood loss (mL)	240.05 ± 95.19	14.95 ± 4.67	24.665	< 0.001
Pain score on postoperative day 1 (points)	3.14 ± 0.93	0.95 ± 0.32	23.372	< 0.001
Time to ambulation after surgery (days)	2.32 ± 0.94	0.76 ± 0.27	16.808	< 0.001
Time to first oral intake after surgery (days)	2.42 ± 0.60	1.12 ± 0.14	22.103	< 0.001
AST on postoperative day 2 (IU/L)	155.03 ± 57.40	78.35 ± 37.74	12.117	< 0.001
Need for blood transfusion	26 (23.85)	5 (3.45)	24.179	< 0.001
Hospital stay (days)	10.42 ± 4.51	6.30 ± 2.90	8.327	< 0.001
Hospital costs (Chinese Yuan)	30563.72 ± 3447.61	22872.80 ± 2059.51	20.681	< 0.001

AST: Aspartate aminotransferase; LH: Laparoscopic hepatectomy; RFA: Radiofrequency ablation.