Table 3. Intra-operative and post-operative data of these two groups of patients.

Intraoperative/postoperative data	Control (n=28)	RFA ablation on margin (n=14)	P value
Blood loss (L)	0.4 (0.02–3.30)	0.51 (0.02–1.80)	0.390
Blood transfusion (L)	0 (0–2.56)	0 (0–0.64)	0.906
Blood transfusion (yes, %)	3 (10.7%)	2 (14.3%)	1.000
Hospital stay (days)	7 [3–41]	8 [3–21]	0.722
Hospital mortality	0 (0%)	0 (0%)	–
OT duration (min)	291.5 [129–883]	239.5 [120–485]	0.362
Type of operation			0.853
Major	2 (7.1%)	2 (14.3%)
Minor	26 (92.9%)	12 (85.7%)
Pattern of recurrence			0.406
Nil	12 (42.9%)	7 (50.0%)
Intrahepatic	12 (42.9%)	3 (21.4%)
Extrahepatic	1 (3.6%)	2 (14.3%)
Both recurrence	3 (10.7%)	2 (14.3%)
New Edmonson grade			0.783
Well-differentiated	5 (17.9%)	4 (28.6%)
Moderately-differentiated	18 (64.3%)	8 (57.1%)
Poorly differentiated	4 (14.3%)	2 (14.3%)
Not available	1 (3.6%)	–

There are no significant differences between the Edmonson grade, blood loss, operation time, type of resection, duration hospital stay and type of recurrence.