From: Role of proinflammatory mutations in peri-implantitis: systematic review and meta-analysis
Authors, year | Type of study | New Castle-Ottawa Scale (NOS) | ||
---|---|---|---|---|
Selection | Comparability | Exposure | ||
Shimpuku et al. 2003 | Case–control | ★★★ | ★ | ★★ |
Laine et al. 2006 | Case–control | ★★★ | ★★ | ★★ |
Cury et al. 2007 | Case–control | ★★★ | ★ | ★★ |
Lachmann et al. 2007 | Case–control | ★★★ | ★ | ★★ |
Lin et al. 2007 | Case–control | ★★★ | ★ | ★★ |
Hamdy et al. 2007 | Case–control | ★★★ | ★ | ★★ |
Gurol et al. 2011 | Case–control | ★★★ | ★ | ★★ |
Melo et al. 2012 | Case–control | ★★★ | ★ | ★★ |
Ladeira-Casado et al. 2013 | Case–control | ★★★ | ★ | ★★ |
García-Delaney et al. 2015 | Case–control | ★★★ | ★ | ★★ |
Rakic et al. 2015 | Case–control | ★★★ | ★★ | ★★ |
Petkovic-Curcin et al. 2017 | Case–control | ★★★ | ★ | ★★ |