Table 1.
Risk of bias assessed with JADAD scale
| Author(s) | Is randomisation mentioned? | Is method of randomisation appropriate? | Is blinding mentioned? | Is method of blinding appropriate? | Is fate of all participants known? | Score |
|---|---|---|---|---|---|---|
| de Carli et al. ( 2013 ) | Yes | Yes | Yes | Yes | Yes | 5 |
| Marini, Bartolucci, Bortolotti, Gatto, and Bonetti ( 2012 ) | Yes | Yes | Yes | Yes | Yes | 5 |
| Mejersjo and Wenneberg ( 2008 ) | Yes | Yes | Yes | No. Single‐blinded trial. | Yes | 4 |
| Ta and Dionne ( 2004 ) | Yes | Yes | Yes | Yes | Yes | 5 |
| Thie, Prasad, and Major ( 2001 ) | Yes | Yes | Yes | Yes | Yes | 5 |
| Yuasa and Kurita ( 2001 ) | Yes | Yes | No | N/A | Yes | 3 |
| Di Rienzo Businco, Di Rienzo Businco, D'Emilia, Lauriello, and Coen Tirelli ( 2004 ) | Yes | Yes | No | N/A | Yes | 3 |
| Ekberg, Kopp, and Akerman ( 1996 ) | Yes | Yes | Yes | Yes | Yes | 5 |
| Kurita Varoli et al. ( 2015 ) | Yes | Yes | Yes | Yes | Yes | 5 |
| Lobo et al. ( 2004 ) | Yes | Yes | Yes | Yes | Yes | 5 |
| Singer and Dionne ( 1997 ) | Yes | Yes | Yes | Yes | Yes | 5 |