Table 2.
Summary of effect measure
| Group | No. of studies | Test of association | Test of heterogeneity | Publication bias | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HR (95% CI) | Z | P | χ 2 | P | I 2 (%) | Model | Egger's test | Begger's test | ||
| AF | 4 | 1.51 (1.28‐1.79) | 4.91 | <0.001 | 5.83 | 0.120 | 48.5 | R | 0.139 | 0.470 |
| CHD | 10 | 1.44 (1.18‐1.75) | 3.55 | <0.001 | 36.66 | <0.001 | 75.4 | R | 0.309 | 0.074 |
| HF | 8 | 1.34 (1.17‐1.52) | 4.31 | <0.001 | 13.65 | 0.058 | 48.7 | R | 0.165 | 0.386 |
| MI | 8 | 1.52 (1.12‐2.06) | 2.67 | 0.008 | 30.71 | <0.001 | 77.2 | R | 0.418 | 0.458 |
Abbreviations: AF, atrial fibrillation; CHD, coronary heart disease; CI, confidence interval; HF, heart failure; HR, hazard ratio; MI, myocardial infarction.