Table 2 Quality assessment
From: Oral manifestations of patients with systemic sclerosis: a meta-analysis for case-controlled studies
Author and year | Selection | Comparability | Exposure | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Baron 2014 | ● | ● | ○ | ● | ● | ● | ○ | ● | ● | 7 |
Chu 2011 | ○ | ○ | ● | ● | ● | ● | ○ | ● | ● | 6 |
da Silva 2019 | ● | ○ | ● | ● | ● | ● | ○ | ○ | ● | 6 |
Elimelech 2015 | ● | ● | ● | ● | ● | ● | ○ | ● | ● | 8 |
Iordache 2019 | ● | ● | ○ | ● | ● | ● | ○ | ● | ● | 7 |
Isola 2017 | ● | ○ | ● | ● | ● | ● | ○ | ● | ● | 7 |
Leung 2011 | ● | ○ | ● | ● | ● | ● | ● | ● | ● | 8 |
Marcucci 2009 | ● | ○ | ○ | ● | ○ | ○ | ○ | ● | ● | 4 |
Mayer 2013 | ● | ● | ● | ● | ● | ● | ○ | ● | ● | 8 |
Pischon 2016 | ● | ○ | ● | ● | ● | ● | ○ | ● | ● | 7 |
Wood 1988 | ● | ○ | ● | ● | ● | ● | ○ | ● | ● | 7 |