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Table 2 Quality assessment of cohort and case-control studies

From: The relationship between vitamin D and risk of atrial fibrillation: a dose-response analysis of observational studies

Author (Publication Year)

Newcastle-Ottawa Scale

Selection

Comparability

Outcome

Total

a

b

c

d

e

f

g

h

i

Alonso, 2016 [7]

*

*

*

*

*

*

*

*

 

8

Belen, 2016 [8]

*

  

*

*

*

*

*

 

6

Chen, 2013 [9]

*

  

*

*

*

*

*

 

6

Demir, 2012 [10]

   

*

*

*

*

*

 

5

Ozcan, 2015 [11]

*

  

*

*

*

*

*

 

6

Rienstra, 2011 [12]

*

*

*

*

*

*

*

*

 

8

Vitezova, 2015 [13]

*

*

*

*

*

*

*

*

 

8

Mathew, 2014 (MESA) [14]

*

*

*

*

*

*

*

*

 

8

Mathew, 2014 (CHS) [14]

*

*

*

*

*

*

*

*

 

8

Turin, 2018 [16]

*

*

*

*

  

*

  

5

Emren, 2016 [17]

*

 

*

*

*

*

*

*

 

8

Özsin, 2017 [18]

*

 

*

*

*

*

*

*

 

8

Gode, 2016 [19]

*

  

*

*

*

*

*

 

6

Skuladottir, 2016 [29]

  

*

*

*

*

*

 

*

6

  1. MESA Multi-Ethnic Study of Atherosclerosis, CHS Cardiovascular Health
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Nutrition Journal

ISSN: 1475-2891

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