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Table 4 Methodological quality of included reviews assessed with AMSTAR

From: The risk associated with spinal manipulation: an overview of reviews

Year

Authors

1

2

3

4

5

6

7

8

9

10

11

Total scorea

2016

Blanchette, M. A. et al. [80]

Yes

Yes

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

7

2016

Cerritelli, F. et al. [81]

No

Yes

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

6

2016

Chou, R. et al. [153]

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

NA

No

Yes

8

2016

Church, E. W. et al. [137]

No

No

Yes

No

No

No

Yes

Yes

Yes

Yes

No

5

2016

Hall, H. et al. [83]

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

NA

No

No

7

2016

Page Matthew, J. et al. [46]

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

Yes

9

2016

Ruddock, J. K. et al. [84]

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

NA

No

No

7

2016

Ruffini, N. et al. [139]

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

No

7

2016

Varatharajan, S. et al. [85]

Yes

No

No

No

No

Yes

Yes

No

NA

No

No

3

2016

Wearing, J. et al. [140]

No

Yes

Yes

No

No

Yes

Yes

Yes

NA

No

No

5

2016

Wong, J. J. et al. [86]

Yes

No

No

No

No

Yes

Yes

No

NA

No

No

3

2016

Yao, M. et al. [87]

Yes

Yes

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

7

2015

Cicchintti L. et al. [116]

No

Yes

Yes

Yes

No

Yes

Yes

Yes

NA

No

Yes

7

2015

Franke, H. et al. [82]

No

Unclear

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

No

6

2015

Gross A. J. et al. [36]

Yes

Yes

Yes

Yes

Yes

Yes

No

No

Yes

No

No

7

2015

Liddle S. D. & Pennick V. [35]

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

Yes

8

2015

Posadzki, P. et al. [138]

Yes

No

Yes

No

No

Yes

Yes

No

NA

No

No

4

2015

Puentedura E. J. & O'Grady W. H. [134]

No

No

Yes

No

No

Yes

No

No

No

NA

No

2

2015

Southerst D. et al. [49]

Yes

Yes

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

7

2015

Yuan Q.-L. et al. [48]

No

Unclear

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

5

2015

Zhu L. et al. [47]

No

Yes

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

6

2014

Bryans R. et al. [9]

No

No

Yes

No

No

Yes

Yes

No

Yes

No

No

4

2014

Clar C. et al. [101]

No

Yes

Yes

No

No

No

Yes

Yes

NA

No

No

4

2014

Close C. et al. [53]

Yes

No

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

6

2014

Franke H. et al. [52]

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

No

7

2014

Kizhakkeveettil A. et al. [51]

No

Yes

Yes

No

No

Yes

Yes

No

NA

No

No

4

2014

Page M. J. et al. [37]

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

Yes

9

2014

Sutton D. et al. [50]

Yes

Yes

Yes

No

No

Yes

Yes

Yes

NA

No

No

6

2014

Todd A. J. et al. [98]

No

No

Yes

Yes

No

Yes

No

No

NA

No

No

3

2014

Tuchin P. [130]

No

No

Yes

No

No

Yes

No

No

NA

NA

No

2

2014

Yin P. et al. [93]

No

Yes

No

No

No

Yes

No

No

NA

NA

No

2

2014

Young J. L. et al. [105]

No

No

No

No

No

Yes

Yes

Yes

NA

No

No

3

2013

Brantingham J. W. et al. [97]

No

No

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

5

2013

Hebert J. J. et al. [103]

No

No

Yes

No

No

Yes

No

No

NA

NA

No

2

2013

Huisman P. A. et al. [57]

No

No

Yes

No

Yes

Yes

Yes

Yes

NA

No

No

5

2013

Parkinson L. et al. [109]

No

Yes

No

No

No

Yes

Yes

Yes

NA

No

No

4

2013

Posadzki P. et al. [56]

Yes

Yes

Yes

No

No

Yes

Yes

Yes

NA

No

No

6

2013

Scholten-Peeters G. G. M. et al. [55]

No

Yes

Yes

No

No

Yes

Yes

Yes

NA

No

No

5

2013

Schroeder J. et al. [54]

No

No

No

No

Yes

Yes

Yes

Yes

NA

No

No

4

2013

Wynd S. et al. [126]

No

Yes

No

No

Yes

No

No

No

No

No

No

2

2013

Yang M. et al. [38]

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

NA

No

Yes

8

2012

Brantingham J. W. et al. [102]

No

No

No

No

No

Yes

Yes

Yes

NA

No

No

3

2012

Dobson D. et al. [40]

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

Yes

9

2012

Furlan A. D. et al. [148, 149]

No

Yes

Yes

No

No

Yes

Yes

Yes

NA

No

No

5

2012

Gleberzon B. J. et al. [106]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

2012

Haynes M. J. et al. [125]

Yes

No

Yes

No

No

No

Yes

Yes

NA

NA

No

4

2012

Kuczynski J. J. et al. [60]

No

Yes

No

No

No

Yes

Yes

No

NA

No

No

3

2012

Lin J. H. et al. [59]

No

Yes

Yes

No

No

Yes

Yes

Yes

NA

No

No

5

2012

Posadzki P. & Ernst E. [58]

Yes

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

5

2012

Puentedura E. J. et al. [123]

No

Yes

Yes

No

No

Yes

No

No

Yes

NA

No

4

2012

Rubinstein S. M. et al. [15, 39]

Yes

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Yes

9

2012

Stuber K. A. et al. [132]

No

No

Yes

No

Yes

No

Yes

No

NA

NA

No

3

2011

Brantingham J. et al. [104]

No

No

No

No

No

Yes

Yes

Yes

NA

No

No

3

2011

Cross K. et al. [65]

No

Yes

Yes

No

Yes

Yes

Yes

Yes

NA

No

No

6

2011

Huang T. et al. [43]

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

NA

No

No

7

2011

Lystad R. P. et al. [112]

No

No

Yes

No

Yes

Yes

Yes

Yes

NA

No

No

5

2011

Posadzki P. & Ernst E. [63]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

2011

Posadzki P. & Ernst E. [62]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

2011

Posadzki P. & Ernst E. [61]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

Yes

5

2011

Posadzki P. & Ernst E. [64]

No

Yes

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

6

2011

Rubinstein S. M. et al. [14, 42]

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

Yes

9

2011

Walker B. F. et al. [41, 44]

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

No

8

2010

Carlesso L. C. et al. [96]

No

Yes

No

Yes

No

Yes

Yes

Yes

Yes

No

No

6

2010

Carnes D. et al. [88]

No

No

Yes

No

No

No

Yes

No

No

No

No

2

2010

Ernst E. [128]

No

No

Yes

No

No

Yes

No

No

NA

NA

No

2

2010

Hahne A. J. et al. [66]

No

Yes

Yes

No

No

Yes

Yes

Yes

NA

No

No

5

2010

Kaminskyj A. et al. [108]

No

No

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

No

6

2010

Shin B.-C. et al. [95]

No

Unclear

Yes

Yes

No

Yes

No

No

NA

NA

No

3

2009

Boudreau R. et al. [147]

No

No

No

No

No

Yes

No

No

NA

No

No

1

2009

Boudreau R. & Spry C. [151]

No

Unclear

No

No

Yes

Yes

No

No

NA

No

No

2

2009

Brurberg K. G. et al. [145]

No

No

Yes

No

Yes

No

Yes

Yes

NA

No

No

4

2009

Gouveia L. O. et al. [99]

No

No

Yes

No

No

Yes

No

No

No

NA

No

2

2009

Hunt K. J. et al. [67]

No

Yes

Yes

No

No

Yes

Yes

Yes

NA

No

No

5

2009

Khorsan B. et al. [94]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

2009

Reiman M. P. et al. [110]

No

No

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

5

2008

Miley M. L. et al. [127]

No

No

No

No

No

No

No

No

No

No

No

0

2008

Stuber K. J. & Smith D. L. [107]

No

No

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

No

6

2008

Vernon H. & Humphreys B. K. [68]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

2007

Chou R. & Huffman L. H. [141, 143]

No

Unclear

Yes

No

Yes

Yes

Yes

Yes

No

No

No

5

2007

Ernst E. [118]

No

No

Yes

No

No

Yes

No

No

NA

NA

No

2

2007

Gross A. R. et al. [71]

No

No

No

Yes

No

No

Yes

No

NA

No

No

2

2007

Hawk C. et al. [100]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

2007

Luijsterburg P. A. J. et al. [70]

No

No

No

No

No

Yes

Yes

Yes

NA

No

No

3

2007

Vernon H. & Humphreys B. K. [69]

No

Unclear

No

No

No

Yes

Yes

Yes

NA

No

No

3

2007

Vernon H. et al. [113]

No

No

Yes

No

Yes

Yes

Yes

Yes

NA

No

No

5

2006

Gemmell H. & Miller P. [111]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

2006

Proctor M. et al. [16]

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

No

8

2006

Snelling N. J. [135]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

2005

Brown A. et al. [146]

No

Yes

Yes

No

Yes

Yes

Yes

Yes

NA

No

No

6

2005

Ernst E. [133]

No

No

Yes

No

No

Yes

No

No

NA

NA

No

2

2005

Hondras M. A. et al. [17]

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

NA

No

No

7

2005

Lisi A. J. et al. [120]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

2005

Rubinstein S. M. et al. [91]

No

Yes

Yes

No

No

Yes

No

No

NA

No

No

3

2004

Brønfort G. et al. [45]

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

NA

No

No

7

2004

Ernst E. [89]

No

No

Yes

No

No

Yes

No

No

NA

No

No

2

2004

Lenssinck M.-L. B. et al. [72]

No

Yes

Yes

No

Yes

Yes

Yes

Yes

NA

No

No

6

2004

Oduneye F. [152]

No

No

No

No

No

Yes

No

No

NA

No

No

1

2004

Oliphant D. [115]

No

No

Yes

No

No

Yes

Yes

No

No

No

No

3

2003

Ernst E. [90]

No

No

Yes

No

No

Yes

No

No

NA

No

No

2

2002

Ernst E. [119]

No

No

Yes

No

No

No

No

No

NA

No

No

1

2002

Ernst E. [136]

No

No

Yes

No

No

Yes

No

No

NA

NA

No

2

2002

Gerritsen A. A. M. et al. [74]

No

Yes

Yes

No

No

Yes

Yes

Yes

NA

No

No

5

2002

Gross A. R. et al. [142]

No

Yes

Yes

No

No

Yes

Yes

Yes

No

No

No

5

2002

Gross A. R. et al. [73]

No

Yes

No

No

No

Yes

Yes

Yes

NA

No

No

4

2002

Stevinson C. & Ernst E. [124]

No

No

Yes

No

No

Yes

No

No

No

No

No

2

2001

Bronfort G. et al. [76]

No

No

No

No

Yes

Yes

Yes

Yes

NA

No

No

4

2001

Ernst E. [129]

No

No

No

No

No

Yes

No

No

NA

No

No

1

2001

Ernst E. & Harkness E. [75]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

2000

Ernst E. [77]

No

No

No

No

No

Yes

No

No

NA

No

No

1

2000

Magee D. J. et al. [117]

No

Unclear

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

1999

Fabio R. P. D. [121]

No

No

Yes

No

Yes

Yes

No

No

No

No

No

3

1999

Haldeman S. M. et al. [122]

No

No

Yes

No

No

Yes

No

No

NA

No

No

2

1999

Vernon H. et al. [78]

No

No

Yes

No

No

Yes

Yes

Yes

NA

No

No

4

1996

Aker P. D. et al. [79]

No

Unclear

Unclear

Yes

No

No

Yes

Yes

NA

No

No

3

1996

Assendelft W. J. J. et al. [131]

No

No

Unclear

Unclear

No

No

No

No

No

No

No

0

1996

Hurwitz E. L. et al. [144, 150]

No

No

No

No

No

No

Yes

Yes

No

No

No

2

1995

Dabbs V. & Lauretti W. J. [114]

No

No

No

No

No

Yes

No

No

No

No

No

1

1992

Shekelle P. G. et al. [92]

No

No

Yes

Yes

No

Yes

Yes

Yes

NA

No

No

5

 

Total number of ‘yes’ for each item

25

47

92

33

35

105

89

78

6

1

10

 
  1. AMSTAR A Measurement Tool to Assess Systematic Reviews, NA not applicable
  2. aThe total score is the number of ‘yes’ for each review. It was calculated giving one point for each ‘yes’ given for the 11 items. 1. Was an 'a priori' design provided? 2. Was there duplicate study selection and data extraction? 3. Was a comprehensive literature search performed? 4. Was the status of publication (i.e. grey literature) used as an inclusion criterion? 5. Was a list of studies (included and excluded) provided? 6. Were the characteristics of the included studies provided? 7. Was the scientific quality of the included studies assessed and documented? 8. Was the scientific quality of the included studies used appropriately in formulating conclusions? 9. Were the methods used to combine the findings of studies for AEs appropriate? 10. Was the likelihood of publication bias assessed for AEs? 11. Was the conflict of interest included?