Comparison of open liver resection and RFA for the treatment of solitary 3–5-cmhepatocellular carcinoma: a retrospective study

Table 3 Comparison of relevant intra-operative data and post-operative short-term recovery situation between the two groups

	Resection group	RFA group	P value
	72	50	P value
Operation time (hours)	4.0 ± 1.2	2.7 ± 0.8	< 0.001
Intra-operative blood loss (ml)	364.6 ± 180.1	102.0 ± 105.9	< 0.001
Intra-operative transfusion (Yes/No)	9/63	3/47	0.238
Hepatic inflow occlusion (whole liver/half	9/36/27	2/4/44	< 0.001
liver/non-blocking)
ICU care (Yes/No)	5/67	3/47	0.836
Total number of days in hospital	6.3 ± 2.2	4.7 ± 1.8	0.001
Total cost of hospitalization (RMB Yuan)	35,542 ± 2456.9	33,453.2 ± 1986.6	0.939

ICU Intensive care unit
Continuous variables compared and calculated by using non-parametric Wilcoxon tests, frequencies for categorical data, and compared by using the Chi-squared test or Fisher’s exact test if necessary,

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