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Table 1 Characteristics of included studies

From: The relationship between mean platelet volume and diabetic retinopathy: a systematic review and meta-analysis

Authors

Location, year

DR

T2DM without DR

Control

-Tubes

NOS

N

MPV

N

MPV

N

MPV

Yilmaz et al.

Turkey, 2016

174

8.1 ± 0.83

88

7.81 ± 0.76

85

7.42 ± 0.68

EDTA

9

AteÅŸ et al.

Turkey, 2009

90

7.96 ± 0.76

  

30

7.52 ± 1.01

EDTA

9

Dindar et al.

Turkey, 2013

24

11.26 ± 1.08

47

10.68 ± 1.68

50

10.23 ± 1.01

EDTA

9

Citirik et al.

Turkey, 2015

97

8.08 ± 0.71

43

7.94 ± 0.63

40

7.74 ± 0.78

EDTA

8

Demirtas et al.

Turkey, 2015

67

9.54 ± 0.88

240

9.2 ± 0.92

  

NR

8

Tetikoglu et al.

Turkey, 2016

136

8.71 ± 0.82

63

8.51 ± 1

76

8.32 ± 0.9

NR

7

Müberra et al.

Turkey, 2016

120

9.6 ± 1

158

9.7 ± 1.2

107

9.3 ± 1

EDTA

8

Gungor et al.

Turkey, 2016

52

9.3 ± 1

50

8.8 ± 1.1

50

8.3 ± 0.6

EDTA

9

Zhong et al.

China, 2011

200

10.09 ± 0.92

  

100

9.46 ± 0.93

NR

7

Li et al.

China, 2016

47

10.72 ± 1.57

52

10.39 ± 0.9

48

9.75 ± 0.89

EDTA

8

Zhou et al.

China, 2016

51

10.4 ± 1.1

328

10 ± 1.1

96

9.1 ± 0.8

NR

8

Radha et al.

India, 2016

14

9.2 ± 0.61

30

8.39 ± 0.68

100

8.02 ± 0.86

EDTA

8

Buch et al.

India, 2017

80

11.4 ± 1.96

162

9.91 ± 1.97

200

8.48 ± 1.01

EDTA

6

Papanas et al.

Greece, 2004

167

15.8 ± 1.3

98

10.9 ± 1.1

151

7.1 ± 1.2

Citrate

6

  1. DR diabetic retinopathy, T2DM without DR type 2 diabetic mellitus without DR, N number of subjects, MPV mean platelet volume, NOS Newcastle–Ottawa scale, EDTA ethylenediaminetetraacetic acid, NR no report