Table 2 Sensitivity analysis
| Â | Number of trials | Effect size, odds ratio (95% CI) | ||
|---|---|---|---|---|
Variable | Total | After excluding 5 trials# | Total | After excluding 5 trials# |
Overall | 18 | 13 | 0.51 (0.36 to 0.70) | 0.49 (0.32 to 0.73) |
Primary prevention | 11 | 9 | 0.55 (0.38 to 0.81) | 0.51 (0.31 to 0.84) |
With coronary surgery | 8 | 7 | 0.44 (0.29 to 0.68) | 0.36 (0.25 to 0.51) |
Without coronary surgery | 3 | 2 | 0.97 (0.59 to 1.58) | 1.14 (0.91 to 1.43) |
Secondary prevention | 8 | 5 | 0.47 (0.26 to 0.86) | 0.46 (0.22 to 0.96) |
With electrical cardioversion | 4 | 2 | 0.57 (0.25 to 1.32) | 0.63 (0.39 to 1.03) |
Without electrical cardioversion | 4 | 3 | 0.38 (0.14 to 1.06) | 0.38 (0.09 to 1.62) |