Skip to main content

Table 2 Risk of bias of included studies

From: A systematic review and meta-analysis of acupuncture for improving learning and memory ability in animals

Study

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

Total

Bao 2014 [18]

 

   

6

Zeng 2008 [19]

   

   

4

Chen 2015 [20]

 

 

8

Chen 2006 [21]

 

 

 

  

5

Dai 2015 [22]

 

    

5

Hou 2013 [23]

 

   

 

5

Gao 2012 [24]

 

 

    

4

Huang 2010 [25]

 

 

 

   

4

Ji 2011 [26]

   

   

4

Jia 2011 [27]

  

 

 

  

4

Wang 2012 [28]

 

   

6

Lin 2008 [29]

 

 

 

   

4

Luo 2007 [30]

 

       

2

Ma 2009 [31]

 

 

   

5

Zhang 2014 [32]

 

 

   

5

Niu 2009 [33]

   

   

4

Su 2013 [34]

 

   

   

3

Tan 2014 [35]

   

7

Tang 2014 [36]

 

   

   

3

Wang 2013 [37]

 

   

  

4

Wang 2009 [38]

  

 

 

  

4

Hong 2014 [39]

 

   

6

Xu 2006 [40]

 

  

   

4

Xu 2007 [41]

  

   

5

Yi 2014 [42]

 

   

6

Yu 2014 [43]

  

   

5

Feng 2013 [44]

  

   

5

Li 2013 [45]

 

  

   

4

Wang 2013 [46]

 

   

6

Zheng 2009 [47]

 

   

   

3

Li 2012 [48]

 

 

8

Li 2014 [49]

  

 

7

Lee 2014 [50]

 

 

8

Zhu 2013 [51]

  

  

6

Lu 2014 [52]

 

 

8

Li 2012 [53]

 

 

 

 

 

5

Guo 2015 [54]

   

 

6

Jiang 2015 [55]

  

 

7

Shao 2008 [56]

     

5

Liu 2013 [57]

   

 

 

5

Li 2015 [58]

 

 

8

Lu 2008 [59]

 

  

   

4

  1. (1) publication in a peer-reviewed journal; (2) statements describing control of temperature; (3) random allocation to treatment or control; (4) blinded building of model; (5) assessment whether building model is successful; (6) blinded assessment of outcome;(7) use of anesthetic without significant intrinsic neuroprotective activity; (8) sample size calculation; (9) compliance with animal welfare regulations; (10) declared any potential conflict of interest