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Table 1 Newcastle-Ottawa scale

From: Effect of chronic kidney disease on total knee arthroplasty outcomes: a meta-analysis of matched control studies

Study Is the case
definition
adequate?
Representativeness
of the cases
Selection
of Controls
Definition
of Controls
Comparability of
cases and controls
on the basis of the
design or analysis
Ascertainment
of exposure
Same method of ascertainment for cases and controls Non-Response
rate
Scores
McCleery
2010
1 1 1 1 2 1 1 1 9
Miric
2013
1 1 1 1 1 1 1 1 8
Ponnusamy 2015 1 0 1 1 0 1 1 1 6
Lizaur-Utrilla 2016 1 0 1 1 0 1 1 1 6
Kuo
2016
1 1 1 1 1 1 1 1 8
Kuo
2017
1 1 1 1 1 1 1 1 8
Bedard 2018 1 0 1 1 0 1 1 1 6