Table 8. Publication bias of studies which were more than ten.

Indicators	Subgroup	Years	No. of studies	Egger's test P value	Publication bias
Overall survival	HCC≤5 cm	1-y	23	<0.001	Yes
		3-y	23	<0.001	Yes
		5-y	15	0.182	No
	HCC≤5 cm and Child A	1-y	11	0.001	Yes
		3-y	12	0.006	Yes
	HCC≤3 cm	1-y	14	0.003	Yes
		3-y	15	0.005	Yes
		5-y	12	0.21	No
Disease-free survival	HCC≤5 cm	1-y	12	0.039	Yes
		3-y	11	0.011	Yes
Complication rate			15	<0.001	Yes