Table 3 Risk of bias assessment of included cross-sectional studies
From: Effect of smoking cessation on tooth loss: a systematic review with meta-analysis
Selection (maximum 5) | Comparability (maximum 2) | Outcome (maximum 3) | Total (maximum 10) | |
Albandar et al. 2010 | 1 ★ | 1 ★ | 3 ★ | 5 ★ |
Arora et al. 2010 | 3★ | 1 ★ | 1 ★ | 5★ |
Cunningham et al. 2016 | 4 ★ | 2 ★ | 1 ★ | 7 ★ |
Hanioka et al. 2007 | 3 ★ | 1 ★ | 3 ★ | 7 ★ |
Mai et al. 2013 | 1 ★ | 2 ★ | 3 ★ | 6★ |
Mundt et al. 2007 | 3 ★ | 1 ★ | 3 ★ | 3 ★ |
Musacchio et al. 2007 | 3 ★ | 1 ★ | 3 ★ | 7 ★ |
Ojima et al. 2007 | 3 ★ | 1 ★ | 3 ★ | 7 ★ |
Randolph et al. 2001 | 4 ★ | 2 ★ | 1 ★ | 7 ★ |
Simila et al. 2006 | 2 ★ | 2 ★ | 1 ★ | 5 ★ |
Torrungruang et al. 2012 | 0 ★ | 2 ★ | 3 ★ | 5 ★ |
Yanagisawa et al. 2009 | 1 ★ | 1 ★ | 3 ★ | 5 ★ |
Yanagisawa et al. 2010 | 2 ★ | 1 ★ | 3 ★ | 6★ |
Yoshida et al. 2001 | 0 ★ | 1 ★ | 3 ★ | 4 ★ |