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Table 3 Risk of bias assessment adapted from Hayden et al

From: Identification of clinical phenotypes in knee osteoarthritis: a systematic review of the literature

 

Risk of Bias

 

Author

Participation

Attrition

Prognostic Factors

Outcome

Confounding

Analysis

Total Score

Attur 2011 [18]

Low

Low

Low

Low

Moderate

Low

Low

Bae 2010 [19]

Moderate

N/A

Low

Low

Moderate

Low

Low

Berry 2010a [20]

Moderate

Moderate

Low

Low

Moderate

Moderate

Low

Berry 2010b [21]

Low

Low

Low

Low

Moderate

Low

Low

Blumnenfeld 2013 [22]

Low

Moderate

Moderate

Moderate

Moderate

Moderate

Low

Cruz-Almeida 2013 [23]

Moderate

N/A

Low

Low

Moderate

Low

Low

Doss 2007 [24]

Moderate

N/A

Low

Moderate

Moderate

Low

Low

Egsgaard 2015 [25]

Moderate

N/A

Low

Low

High

Low

High

Fernández-Tajes 2014 [26]

Moderate

N/A

Low

Moderate

Moderate

Moderate

Low

Holla 2013 [27]

Moderate

Low

Low

Low

Low

Low

Low

Jenkins 2015 [28]

High

N/A

Moderate

Moderate

High

Moderate

High

Kerkhof 2008 [29]

Low

Low

Low

Low

Moderate

Low

Low

Kinds 2013 [9]

Moderate

Low

Low

Low

Moderate

Moderate

Low

King 2013 [30]

High

N/A

High

Low

High

Low

High

Knoop 2011 [7]

Low

N/A

Low

Low

Low

Moderate

Low

Murphy 2011 [31]

Moderate

N/A

Low

Moderate

Moderate

Low

Low

Otterness 2000 [32]

Moderate

N/A

Low

Moderate

Moderate

Moderate

Low

Pereira 2013 [33]

Low

N/A

Moderate

Low

Moderate

Low

Low

Roemer 2012 [34]

Low

N/A

Low

Low

Moderate

Moderate

Low

Sowers 2002 [35]

Moderate

Low

Low

Low

Moderate

Moderate

Low

Van der Esch 2015 [36]

Low

N/A

Low

Low

Moderate

Low

Low

Van spil 2012 [37]

Moderate

N/A

Low

Low

Moderate

Low

Low

Waarsing 2015 [8]

Low

N/A

Low

Low

Low

Low

Low

Iijima 2015 [38]

Moderate

N/A

Low

Low

High

Low

High

Kittelson 2015 [40]

Low

N/A

Low

Low

Low

Low

Low

  1. N/A not applicable, the specific area of assessment was not applicable to the study