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Table 3 Quality assessment for cohort study

From: Significant association between vitamin D deficiency and sepsis: a systematic review and meta-analysis

Study (Year)

Selection

Comparability

Outcome

Total

Representativeness of the sample

Non-expose group from same community

Outcome of interest was not present at start of study

Validated measurement tool

Comparability of different samples on the basis of the design or analysis

Assessment of outcome

Follow up ≥1 month

Adequacy of follow up

truly representative

somewhat representative

   

study controls for important factor

study controls for any additional factor

independent blind assessment

record linkage

 

Complete

Small number loss follow-up

Braun 2012

*

 

*

*

*

*

*

 

*

*

 

*

9

Braun 2011

*

 

*

*

*

*

*

 

*

*

 

*

9

Flynn 2012

 

*

*

*

*

   

*

*

*

 

7

Jovanovich 2014

*

 

*

*

*

*

*

 

*

*

*

 

9

Moromizato 2013

*

 

*

*

*

*

*

 

*

*

 

*

9

Quraishi 2013

*

 

*

*

*

*

*

 

*

*

*

 

9

Lange 2013

*

 

*

*

*

*

*

 

*

*

*

 

9

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BMC Anesthesiology

ISSN: 1471-2253

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