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Table 2 Quality of included studies

From: Metabolic differences in women with premature ovarian insufficiency: a systematic review and meta-analysis

 

Selection

Comparability

Exposure

 

Author/year

published

Adequate Case Definition

Representative

of cases

Selection of controls

Definition of Controls

Age

Other factors

Ascertainment of exposure

Same

ascertainment

Non-Response Rate

Total

AbdulAzeez 2018 [14]

    

*

 

*

*

*

4

Ağaçayak 2016 [15]

*

   

*

*

*

*

*

6

Ates 2014 [16]

*

*

 

*

*

 

*

*

*

7

Bozkaya 2020 [17]

*

  

*

  

*

*

*

5

Cekici 2021 [18]

 

*

 

*

*

 

*

*

*

6

Czyzyk 2017 [19]

*

  

*

*

*

*

*

*

7

Daan 2017 [20]

*

  

*

  

*

*

*

5

Goldmeier 2014 [21]

*

  

*

*

 

*

*

*

6

Gulhan 2012 [22]

*

  

*

*

 

*

*

*

6

Huang 2021 [23]

*

  

*

*

 

*

*

*

6

Kalantaridou 2004 [24]

*

  

*

*

*

*

*

*

7

Knauff 2008 [25]

*

*

    

*

*

*

5

Kulaksizoglu 2013 [26]

*

  

*

  

*

*

*

5

Kunicki 2018 [27]

*

  

*

  

*

*

*

5

Luo 2018 [28]

*

   

*

*

*

*

*

6

Podfigurna 2020 [29]

*

  

*

*

*

*

*

*

7

Podfigurna 2018 [30]

*

  

*

*

*

*

*

*

7

Szlendak-Sauer 2016 [31]

*

  

*

  

*

*

*

5

Tunc 2017 [32]

*

  

*

*

*

*

*

*

7

Xu 2019 [33]

*

  

*

  

*

*

*

5

Yorgun 2012 [34]

*

*

  

*

 

*

*

*

6

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Journal of Ovarian Research

ISSN: 1757-2215

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