Table 2 Results of subgroup/exploratory analyses
Subgroup/Method | Incidence (%) | 95% Confidence interval | I2 |
|---|---|---|---|
Moderate-Low risk of bias | 0.44 | 0.00-1.60 | 0% |
Moderate-High risk of bias | 1.80 | 0.01-5.75 | 0% |
Adding 0.5 to zero cells (primary approach) | 0.46 | 0.00-1.53 | 0% |
Adding 0.1 to zero cells | 0.03 | 0.00-0.65 | 0% |
No addition | <0.001 | 0.00-0.25 | 0% |