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Table 1 Risk of bias in individual studies quality assessment

From: Use of the margin of stability to quantify stability in pathologic gait – a qualitative systematic review

Paper

Case-Control Criteria

Cohort or Cross-Sectional Criteria

Grade

11

22

33

44

55

66

77

88

99

1010

11

22

311

412

53

613

79

810

Hof, et al. (2007) [34]

Y

N

N

NR

NR

N

CD

CD

N

NR

        

Poor

Curtze, et al. (2011) [33]

Y

N

N

NR

NR

N

CD

CD

N

N

        

Poor

Day, et al. (2012) [38]

Y

Y

N

N

Y

Y

NR

N

N

Y

        

Good

Stegemöller, et al. (2012) [37]

Y

N

N

NR

Y

Y

CD

CD

N

Y

        

Good

Gates, et al. (2013) [32]

Y

N

N

NR

NR

N

CD

CD

N

Y

        

Fair

Hak, et al. (2013) [31]

Y

Y

N

N

NR

N

CD

CD

N

Y

        

Fair

Hak, et al. (2013) [14]

Y

Y

N

N

NR

N

CD

CD

N

Y

        

Fair

Major, et al. (2013) [3]

Y

Y

N

NR

NR

N

CD

CD

N

CD

        

Fair

Beltran, et al. (2014) [30]

Y

N

N

NR

NR

N

CD

CD

N

N

        

Poor

Hak, et al. (2014) [28]

          

Y

N

NR

NR

N

Y

N

N

Fair

Kao, et al. (2014) [27]

Y

N

N

NR

NR

N

CD

CD

N

Y

        

Fair

McCrum, et al. (2014) [18]

Y

N

N

NR

Y

Y

CD

CD

N

CD

        

Good

Hak, et al. (2015) [23]

          

Y

Y

NR

NR

N

Y

N

Y

Good

Hoogkamer, et al. (2015) [44]

Y

N

N

NR

NR

N

CD

CD

N

N

        

Poor

Rijken, et al. (2015) [40]

Y

Y

N

N

N

N

CD

CD

N

CD

        

Fair

Catalá, et al. (2016) [36]

Y

N

N

NR

NR

N

CD

CD

N

CD

        

Poor

Peebles, et al. (2016) [12]

Y

N

N

NR

Y

Y

CD

CD

N

N

        

Fair

van Meulen, et al. (2016) [20]

          

Y

Y

NR

NR

N

Y

N

Y

Good

van Meulen, et al. (2016) [19]

          

Y

Y

NR

NR

N

Y

N

Y

Good

Vistamehr, et al. (2016) [26]

          

Y

N

NR

NR

N

Y

N

CD

Fair

Ghomian, et al. (2017) [43]

          

Y

n/a

n/a

n/a

N

Y

N

n/a

Poor

Martelli, et al. (2017) [11]

Y

N

N

CD

N

N

CD

CD

N

CD

        

Poor

Peebles, et al. (2017) [39]

Y

N

N

CD

Y

Y

CD

CD

N

Y

        

Good

Punt, et al. (2017) [24]

          

Y

Y

NR

NR

N

Y

N

Y

Good

Simon, et al. (2017) [42]

Y

Y

N

CD

Y

Y

CD

CD

N

CD

        

Good

Tisserand, et al. (2018) [25]

Y

Y

N

N

N

Y

CD

CD

N

N

        

Fair

Arora, et al. (2019) [13]

Y

Y

Y

N

N

Y

CD

CD

N

N

        

Good

Brandt, et al. (2019) [29]

          

Y

Y

NR

NR

N

Y

N

N

Fair

Major, et al. (2019) [35]

          

Y

N

NR

NR

N

Y

N

N

Poor

van Vugt, et al. (2019) [41]

Y

Y

N

N

N

N

CD

CD

N

N

        

Fair

de Jong, et al. (2020) [45]

Y

Y

N

Y

Y

Y

CD

CD

N

N

        

Good

  1. Y = Yes; N = No; NR = Not Reported; CD = Cannot Determine; n/a = Not Applicable
  2. 1Clear and appropriate research question?
  3. 2Study population clearly defined?
  4. 3Sample size justification?
  5. 4Controls selected from same population as cases?
  6. 5Inclusion/exclusion criteria clear, reliable, consistent?
  7. 6Cases clearly differentiated from controls?
  8. 7Randomly selected from eligible participants?
  9. 8Concurrent controls?
  10. 9Assessors blinded?
  11. 10Confounding variables measured and accounted for in statistics?
  12. 11Participation of eligible participants at least 50%?
  13. 12Subjects selected from same population?
  14. 13Outcome measures clearly defined, reliable, valid?