Table 6.
Excluded study | RR (95% CI) after exclusion | Heterogeneity test | |
---|---|---|---|
P value | I ² (%) | ||
Alcántara et al. 2011 [1] | 0.625 (0.283, 1.383) | 0.009 | 84.667 |
Cheung et al. 2009 [2] | 0.817 (0.534, 1.249) | 0.099 | 47.298 |
Ho et al. 2012 [3] | 0.495 (0.178, 1.379) | 0.003 | 88.043 |
Pirlet et al. 2011 [4] | 0.446 (0.166, 1.198) | 0.002 | 81.895 |
van Hooft et al. 2011 [5] | 0.424 (0.181, 0.995) | 0.022 | 73.792 |