Table 2.
Study | Experimental | Control | Risk ratio | RR | 95% CI | Weight | ||
---|---|---|---|---|---|---|---|---|
Events | Total | Events | Total | |||||
Adachi (2002) | 5 | 40 | 9 | 48 | 0.67 | (0.24; 1.83) | 8.5% | |
Bourigault (2011) | 93 | 868 | 203 | 1,645 | 0.87 | (0.69; 1.09) | 29.9% | |
Juthani-Mehtha (2015) | 119 | 277 | 94 | 298 | 1.36 | (1.10; 1.69) | 30.5% | |
Ohsawa (2003) | 5 | 25 | 6 | 24 | 0.80 | (0.28; 2.28) | 8.0% | |
Panchabhai (2009) | 2 | 136 | 4 | 164 | 0.60 | (0.11; 3.24) | 3.6% | |
Yoneyama (2002) | 21 | 184 | 34 | 182 | 0.61 | (0.37; 1.01) | 19.6% | |
Random effects model | 1,530 | 2,361 | 0.89 | (0.64; 1.25) | 100.0% | |||
- | - | |||||||
Heterogeneity: I2 = 65%, tau2 = 0.0853, p = 0.01 |