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Table 3 Newcastle-Ottawa Scale

From: A systematic review of the role of inflammatory biomarkers in acute, subacute and chronic non-specific low back pain

Author

Year

Selection

Comparability

Outcome

Total Score

Prospective Cohort

 Gebhardt et al. [23],

2006

2/4

1/2

3/3

6/9

 Klyne et al. [26],

2018a

2/4

2/2

2/3

6/9

 Sturmer et al. [28],

2005

2/4

1/2

2/3

5/9

Case-control

 Heffner et al. [24],

2011

1/4

2/2

1/3

4/9

 Klyne et al. [25],

2017a

4/4

2/2

1/3

7/9

 Luchting et al. [27],

2016

2/4

2/2

0/3

4/9

 Wang et al. [30],

2008

2/4

1/2

1/3

4/9

Prospective Cross-sectional study

 Wang et al. [29],

2010

4/5

2/2

1/3

7b/10

  1. aParticipants in Klyne et al.’s 2018 study taken from the same sample as Klyne et al.’s 2017 study
  2. bNewcastle Ottawa Scale (NOS) cross-sectional scale is out of 10