Author

Outcomes

Intervention

Control

Number of participants (N1)

Mean

SD

Number of participants (N2)

Mean

SD

Ahmadi et al., 2013

HbA1c (%)

28

7.22

1.2

23

7.09

1.4

Al-Zahrani, 2014

HbA1c (%)

91

8.6

1.6

92

8.7

1.8

FBG (mmol/l)

9.3

3.1

10

3.7

Breslavsky et al., 2013

HbA1c (%)

19

7.3

1.1

13

7.2

1.7

FBG (mmol/l)

8.66

3.06

8.36

3.53

Elkassaby et al., 2014

HbA1c (%)

26

6.15

0.25

24

6.1

0.2

FBG (mmol/l)

6.85

0.25

6.43

0.33

Ghavamzadeh et al., 2013

HbA1c (%)

26

6.6

2.35

25

8.42

3.35

Heshmat et al., 2012

HbA1c (%)

21

6.49

0.9

21

6.5

0.9

FBG

8.32

1.62

7.18

1.67

Jehle et al., 2014

HbA1c

29

7.2

1.1

26

7.7

0.9

HOMA-IR

3.9

2.2

4.4

2.5

Jorde et al., 2009

HbA1c (%)

16

7.8

0.9

16

7.7

0.5

FBG (mmol/l)

9.6

3.1

9.6

1

HOMA-IR

27.9

23.5

24.8

13.7

Kampmann, 2014

HbA1c (%)

7

0.0678

0.005

8

0.083

0.006

FBG (mmol/l)

7.17

1.06

10.03

1.7

Kota et al., 2012

HbA1c (%)

15

7.7

0.9

15

7.8

1.1

FBG (mmol/l)

7.96

1.24

8.14

1.19

Neyestani et al., 2012

HOMA-IR

30

2.7

1.5

30

5.5

3.7

Ryu et al., 2013

HbA1c (%)

64

7.4

0.9

65

7.27

0.87

Shar-Bidar et al., 2011

HbA1c (%)

50

7.8

1.3

50

8.5

1.6

Strobel et al., 2014

HbA1c (%)

39

6.1

0.76

33

6.68

1

FBG (mmol/l)

7

1.31

6.82

1.7

Sugden et al., 2007

HbA1c (%)

17

7.51

0.6

17

6.25

0.39

Thethi et al., 2015

HbA1c (%)

23

7.85

1.3

23

7.73

1.13

Yousefi Rad et al., 2015

HbA1c (%)

28

6.76

0.95

30

7.73

1.26