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Sensitivity analysis
| Study | Year | RR | 95% Confidence intervals | |
|---|---|---|---|---|
| LCI | UCI | |||
| Ettorre | 2013 | 3.625 | 2.382 | 4.867 |
| Kaneko | 2013 | 3.837 | 2.752 | 4.923 |
| Krynitz | 2012 | 4.000 | 2.874 | 5.117 |
| Baccarani | 2010 | 3.701 | 2.597 | 4.806 |
| Herrero | 2010 | 3.910 | 2.727 | 5.094 |
| Collett | 2010 | 3.488 | 2.379 | 4.598 |
| Aberg | 2008 | 3.827 | 2.744 | 4.910 |
| Jiang | 2008 | 3.986 | 2.846 | 5.128 |
| Serraino | 2007 | 3.785 | 2.687 | 4.883 |
| Haagsma | 2001 | 4.306 | 3.020 | 5.592 |
| Combined | — | 3.836 | 2.754 | 4.918 |
