Table 6.
Assessment of publication bias using the Begg’s, Egger’s, and Harbord’s tests
| Outcomes | Begg’s test |
Egger’s test |
Harbord’s test |
|||
|---|---|---|---|---|---|---|
| Z | P | Z | P | Z | P | |
| Initial rhythm asystole | −1.04 | 0.703 | −0.17 | 0.865 | −0.60 | 0.548 |
| Initial rhythm VF or VT | 1.56 | 0.118 | 1.53 | 0.124 | 0.96 | 0.252 |
| Initial rhythm “other” | 1.04 | 0.296 | 1.00 | 0.316 | 1.05 | 0.293 |
| Intubated before arrest | 0.00 | 1.000 | 0.62 | 0.534 | 0.64 | 0.523 |
| Sustained ROSC | −0.34 | 0.865 | 1.21 | 0.226 | 1.24 | 0.215 |
| Survival to ICU discharge | 0.00 | 1.00 | 0.00 | 1.00 | 0.00 | 1.00 |
| Survival to hospital discharge | 1.04 | 0.296 | 0.55 | 0.585 | 0.91 | 0.363 |
VF: Ventricular fibrillation; VT: Ventricular tachycardia; ROSC: Return of spontaneous circulation; ICU: Intensive care unit