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Table 1 Characteristics of studies investigating circulating apelin, chemerin and omentin levels in GDM

From: Circulating apelin, chemerin and omentin levels in patients with gestational diabetes mellitus: a systematic review and meta-analysis

  

Cases

 

Controls

 

First authors

Year

Country

Study type

N

Age (years), mean ± SD

Gestational BMI(kg/m2)

Mean ± SD(ng/mL)/(ng/mL)

N

Age (years), mean ± SD

Gestational BMI(kg/m2)

Mean ± SD(ng/mL)/(ng/mL)

P

Criteria for GDM

Measurement

NOS

Apelin

Baris [11]

2014

Turkey

Cohort

141

35.18 ± 5.55

26.82 ± 4.25

0.33 ± 0.18

49

34.89 ± 5.64

26.50 ± 2.66

0.56 ± 0.29

< 0.001

ADA

ELISA system)

7

Mehmet [6]

2012

Turkey

CC

30

30.90 ± 4.20

25.90 ± 3.30

13.50 ± 9.30

30

31.00 ± 3.20

25.70 ± 2.80

9.60 ± 5.90

0.001

ACOG

ELISA

8

Emel [12]

2016

Turkey

Cohort

20

28.95 ± 6.21

27.95 ± 4.19

2.29 ± 0.39

20

27.00 ± 1.20

27.05 ± 4.05

0.91 ± 0.32

< 0.001

ACOG

ELISA

6

Oncul [7]

2013

Turkey

CC

24

34.00 ± 7.00

31.32 ± 5.82

0.15 ± 0.05

21

30.00 ± 4.00

29.32 ± 4.53

0.16 ± 0.09

0.602

C&C

ELISA

7

Beata [4]

2010

Poland

CC

101

31.00 ± 6.02

24.57 ± 5.11

1.65 ± 0.39

101

30.00 ± 4.51

23.39 ± 4.21

1.65 ± 0.32

> 0.05

WHO

RIA

7

Beata [4]

2010

Poland

CC

20

31.65 ± 3.76

20.66 ± 4.51

1.61 ± 0.24

16

29.65 ± 5.26

25.94 ± 4.51

1.59 ± 0.49

> 0.05

WHO

RIA

7

Chemerin

Panayoula [33]

2018

Greece

CC

5

29.80 ± 1.20

26.90 ± 0.80

209.39 ± 37.60

13

30.60 ± 3.40

26.90 ± 0.60

162.27 ± 10.04

> 0.05

IADPSG

ELISA

7

Panayoula [33]

2018 Greece

Greece

CC

10

27.70 ± 1.60

36.00 ± 1.50

215.16 ± 17.19

10

36.10 ± 1.20

36.40 ± 1.80

212.81 ± 36.22

> 0.05

IADPSG

ELISA

7

Gillian [23]

2012

Australia

CC

69

35.20 ± 0.60

31.20 ± 0.90

117.60 ± 3.50

62

33.10 ± 0.60

34.80 ± 1.00

124.20 ± 4.00

> 0.05

ADIPS

ELISA

7

Boyadzhieva [5]

2013

Bulgarias

CC

127

32.20 ± 5.20

28.50 ± 6.60

6.89 ± 2.26

109

30.60 ± 4.40

28.00 ± 5.40

7.97 ± 2.42

0.009

IADPSG

ELISA

8

Syeda [26]

2017

Pakistan

CC

208

27.30 ± 5.56

24.83 ± 5.13

93.39 ± 45.43

300

25.78 ± 4.73

22.38 ± 3.93

14.35 ± 5.88

< 0.001

IADPSG

ELISA

8

Umit [27]

2016

Turkey

CS

76

27.59 ± 12.09

36.25 ± 22.21

4.53 ± 3.82

82

26.35 ± 12.833

31.10 ± 21.05

3.43 ± 1.84

0.100

ACOG

ELISA

6

Li [24]

2015

China

CC

16

29.30 ± 2.50

23.00 ± 0.40

222.00 ± 25.20

15

28.30 ± 2.40

20.90 ± 0.50

73.10 ± 8.60

< 0.05

ADA

ELISA

7

Li [24]

2015

China

CC

16

29.30 ± 3.10

27.10 ± 0.40

225.20 ± 26.80

15

29.40 ± 2.80

26.90 ± 0.30

151.00 ± 15.50

< 0.05

ADA

ELISA

7

Li [24]

2015

China

CC

16

29.14 ± 4.38

33.00 ± 0.80

136.80 ± 20.30

12

29.50 ± 4.84

33.40 ± 0.80

195.00 ± 34.40

> 0.05

ADA

ELISA

7

Liang [25]

2018

China

CC

46

31.89 ± 4.53

21.52 ± 3.38

20.11 ± 3.28

43

30.58 ± 3.77

21.06 ± 2.93

17.63 ± 3.63

0.001

ADA

ELISA

8

Sadia [16]

2018

Canada

Cohort

105

35.00 ± 4.00

25.78 ± 5.19

54.80 ± 16.00

76

35.00 ± 4.00

24.79 ± 5.21

55.80 ± 12.70

0.48

NDDG

ELISA

8

Dorte [8]

2010

Germany

CC

40

33.00 ± 10.00

24.90 ± 4.90

217.60 ± 72.30

80

28.00 ± 5.00

22.30 ± 7.00

230.30 ± 42.40

> 0.05

ADA

ELISA

8

Yang [15]

2017

China

CC

19

26.84 ± 2.95

22.74 ± 1.68

146.60 ± 38.91

20

26.84 ± 2.95

21.72 ± 1.23

187.23 ± 46.83

< 0.05

IADPSG

ELISA

7

Yang [15]

2017

China

CC

19

26.84 ± 2.95

25.67 ± 1.39

308.56 ± 56.43

20

26.84 ± 2.95

24.15 ± 1.24

227.53 ± 46.49

< 0.05

IADPSG

ELISA

7

Omentin

Panayoula [33]

2018

Greece

CC

5

29.80 ± 1.20

26.90 ± 0.80

17.69 ± 2.46

13

30.60 ± 3.40

26.90 ± 0.60

31.85 ± 6.67

< 0.05

IADPSG

ELISA

7

Panayoula [33]

2018

Greece

CC

10

27.70 ± 1.60

36.00 ± 1.50

19.20 ± 1.60

10

36.10 ± 1.20

36.40 ± 1.80

20.25 ± 3.55

< 0.05

IADPSG

ELISA

7

Aktas [28]

2014

Turkey

Cohort

36

28.60 ± 7.20

28.40 ± 13.74

304.27 ± 413.06

37

48.00 ± 8.60

27.00 ± 12.34

363.28 ± 488.19

0.001

C&C

ELISA

8

Gillian [29]

2012

Australia

Cohort

21

35.50 ± 0.80

23.20 ± 0.80

12.10 ± 1.40

27

33.10 ± 0.70

23.40 ± 0.60

19.50 ± 2.30

< 0.05

ADIPS

ELISA

8

Gillian [29]

2012

Australia

Cohort

18

34.00 ± 1.10

37.80 ± 1.50

8.20 ± 1.20

17

30.80 ± 1.10

38.60 ± 1.30

7.10 ± 0.90

> 0.05

ADIPS

ELISA

8

Emel [12]

2016

Turkey

Cohort

20

28.95 ± 6.21

27.95 ± 4.19

13.11 ± 1.79

20

27.00 ± 1.20

27.05 ± 4.05

18.64 ± 3.48

< 0.001

ACOG

ELISA

6

Marie [31]

2018

Australia

Cohort

96

34.10 ± 7.40

28.00 ± 6.60

157.00 ± 83.00

96

32.80 ± 9.30

26.30 ± 4.70

158.00 ± 93.00

0.94

ADA

ELISA

8

Marie [31]

2018

Australia

Cohort

96

34.10 ± 7.40

28.00 ± 6.60

118.00 ± 77.00

96

32.80 ± 9.30

26.30 ± 4.70

150.00 ± 89.00

0.12

ADA

ELISA

8

Lewandowski [30]

2010

Poland

CC

20

29.70 ± 5.50

28.10 ± 4.70

48.00 ± 12.00

23

28.30 ± 3.90

28.30 ± 4.80

50.20 ± 7.90

0.64

WHO

ELISA

6

RadzisBaw [32]

2018

Poland

CC

63

12.00 ± 3.87

9.43 ± 1.67

438.36 ± 373.28

55

11.09 ± 3.43

8.18 ± 1.18

528.40 ± 374.55

> 0.05

WHO

ELISA

7

  1. N Number of studies, GDM Gestational diabetes mellitus, CC Case control, BMI Body mass index, ADA American diabetes association, ACOG American College of Obstetricians and Gynecologists;
  2. C&C Carpenter and Couston, WHO World Health Organization, IADPSG International Association of Diabetes and Pregnancy Study Group, ADIPS Australasian Diabetes in Pregnancy Society
  3. NDDG National Diabetes Date Group, ELASA Enzyme linked immunosorbent assay, RIA Radioimmunoassay, NOS Newcastle-Ottawa Scale