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 |