Table 5. Publication bias of miR-218 for Begg’s test and Egger’s test.

Comparisons	Begg’s test		Egger’s test
	z	p	t	p	95% CI
OS	0.08	0.938	0.43	0.676	-3.730-5.492
DFS/PRS/RFS	0.60	0.548	1.61	0.169	-3.164-13.752