Table 4.
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) | 16.8% | |
Ohsawa (2003) | 5 | 25 | 6 | 24 | 0.80 | (0.28; 2.28) | 15.7% | |
Yoneyama (2002) | 21 | 184 | 34 | 182 | 0.61 | (0.37; 1.01) | 67.5% | |
Random effects model | 249 | 254 | 0.65 | (0.43; 0.98) | 100.0% | |||
- | - | |||||||
Heterogeneity: I2 = 0%, tau2 = 0, p = 0.90 |