Table 3 Egger test of publication bias
Std_Eff | Coefficient | SE | t | p >|t| | (95% CI) |
|---|---|---|---|---|---|
Bias (first-attempt success rate) | −1.88 | 2.33 | −0.81 | 0.442 | −7.26 to 3.49 |
Bias (total success rate) | −0.41 | 1.07 | −0.38 | 0.719 | −3.17 to 2.35 |
Bias (hematoma) | 2.04 | 0.84 | 2.42 | 0.038 | 0.14 to 3.94 |
Bias (posterior wall puncture) | −1.13 | 3.11 | −0.36 | 0.741 | −11.02 to 8.76 |
Bias(vasospasm) | 2.44 | 1.65 | 1.48 | 0.235 | −2.81 to 7.69 |