Table 4.

Meta-regression circRNA associated with tumor type, sample size (> 50), and endogenous reference

Meta-Regression (Inverse Variance weights)
Var	Coeff.	Std. Err.	p-value	RDOR	[95%CI]
Cte.	5.625	1.6550	0.0048	–	–
S	0.098	0.1198	0.4297	–	–
HCC	−0.810	0.3463	0.0359	0.44	(0.21;0.94)
GC	−0.402	0.2869	0.1844	0.67	(0.36;1.24)
size	−0.741	0.5329	0.1876	0.48	(0.15;1.51)
ref	−0.186	0.5345	0.7341	0.83	(0.26;2.64)

Tau-squared estimate = 0.0749 (convergence is achieved after 6 iterations)

Restricted Maximum Likelihood estimation (REML)

No. studies = 19

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Add 1/2 to all cells of the studies with zero