TABLE 3.
Adverse events.
| Author, year | Country | Risk ratio | Lower confidence interval | Upper confidence interval |
| Molina et al. (2010) | Multicenter | 0.9851843 | 0.8574586 | 1.131936 |
| Stanley et al. (2009) | The United States | 3 | 0.7958937 | 11.30804 |
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