Table 2 Cochrane Risk of Bias Table for RCTs

Study

Random Sequence Generation

Allocation Concealment

Blinding of Participants & Personnel

Blinding of Outcome Assessment

Incomplete Outcome Data

Selective Reporting

Other Sources of Bias

[28]

2

2

2

2

2

2

2

14

[30]

1

1

2

2

2

2

2

12

[10]

2

2

2

2

2

2

2

14

[31]

2

2

2

2

2

2

2

14

[37]

2

2

2

2

2

2

2

14

[29]

2

2

2

2

2

2

2

14

[32]

2

2

2

2

2

2

2

14

[36]

2

2

2

2

2

2

2

14

[26]

2

2

2

2

2

2

2

14

[33]

1

1

2

2

2

2

2

12

[49]

2

2

2

2

2

2

2

14

[34]

2

2

2

2

0

2

2

12

[35]

2

2

2

2

2

2

2

14

[27]

2

2

2

2

2

2

2

14