Table 3 Test of heterogeneity and publication bias for each outcome
Outcomes | Chi-square | df | P value | I square (%) | Heterogeneity | Publication bias |
|---|---|---|---|---|---|---|
In-hospital mortality | 34.60 | 19 | 0.02 | 45 | Low | None |
1-year mortality | 1.84 | 4 | 0.77 | 0 | Insignificant | None |
Mid-term mortality | 17.08 | 3 | 0.0007 | 82 | High | None |
Major vascular complication | 66.67 | 12 |  < 0.00001 | 82 | High | None |
Pacemaker implantation | 27.92 | 16 | 0.03 | 43 | Low | None |
Major bleeding | 50.97 | 10 |  < 0.00001 | 80 | High | None |
Acute kidney injury | 72.75 | 13 |  < 0.00001 | 82 | High | None |
Length of hospital stay | 22.57 | 7 | 0.002 | 69 | Moderate | None |
Stroke | 14.01 | 11 | 0.23 | 22 | Low | None |