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Table 2 Methodological quality of included studies

From: Neuroprotective effects of berberine in animal models of Alzheimer’s disease: a systematic review of pre-clinical studies

Study

A

B

C

D

E

F

Total

He et al. [20]

 

5

Chen et al. [27]

  

4

Huang et al. [21]

 

5

Oliveira et al. [19]

 

5

Patil et al. [17]

 

 

4

Haghani et al. [31]

 

5

Zhan et al. [32]

 

 

4

Gao et al. [22]

 

5

Moghaddam et al. [23]

 

 

4

Durairajan et al. [15]

 

5

Lee et al. [33]

  

 

3

Bhutada et al. [34]

  

 

3

Lim et al. [24]

 

 

4

Zhu et al. [25]

 

 

4

Peng et al. [28]

 

 

4