Assessment of regression-based methods to adjust for publication bias through a comprehensive simulation study

Table 1 Specification of publication bias severity based on one-sided significance

Severity of Publication Bias	p-value from study	Probability study included in MA
Moderate	< 0.05	1
	0.05 – 0.5	0.75
	> 0.5	0.25
Severe	< 0.05	1
	0.05 – 0.2	0.75
	> 0.2	0.25