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Table 1 Characteristics of the studies included in the meta-analysis

From: Association of PNPLA3 rs738409 G/C gene polymorphism with nonalcoholic fatty liver disease in children: a meta-analysis

First author, year, study

Cohort characteristics

Country

Gender (men/women)

BMI (mean ± SD)

Study design

Genotyping

Sample size

genotype

allele

HWE

PH-W

CC

GC

GG

G

C

Sood.V 2018 [5]

NAFLD children

India

  

case control study

 

69

22

23

24

71

67

no

0.005

NON-NAFLD

   

30

21

8

1

10

50

yes

0.82

Stasinou.E 2018 [6]

NAFLD children

Greece

  

case control study

RFLP

58

8

10

40

90

26

no

0.0001

NON-NAFLD

  

91

66

22

3

28

154

yes

0.49

Hudert.C 2018 [7]

NAFLD children

German

54/16

35.9 ± 14.5

case control study

TaqMan

70

20

31

19

69

71

yes

0.339

NON-NAFLD

123/77

 

200

118

71

11

93

307

yes

0.94

Lin.Y-C 2014 [8]

NAFLD children

China

555/242

27.0 ± 4.1

case control study

TaqMan

191

58

95

38

171

211

yes

0.93

NON-NAFLD

115/47

26.75 ± 3.85

606

238

293

75

443

769

yes

0.29

Shang.X-R 2015 [9]

NAFLD children

China

459/406

20.72 ± 3.61

case control study

Mass ARRAY

162

60

74

28

130

194

yes

0.53

NON-NAFLD

 

28.8 ± 2.8

865

338

418

109

636

1094

yes

0.24

Bugianesi.E 2017 [10]

NASH

Italy

 

28.2 ± 3.5

case control study

TaqMan

219

74

101

44

189

249

yes

0.37

NAFL

41/30

95 ± 6

69

36

30

3

36

102

yes

0.29

Nobili.V 2014 [11]

NASH

Italy

51/30

95 ± 6

case control study

TaqMan

71

48

23

     

NAFL

93/56

 

81

80

1

     

Valenti.L 2010 [12]

NASH

Italy

  

case control study

TaqMan

69

1

44

23

90

46

no

0.0002

NAFL

 

28.2 ± 3.6

81

64

17

0

17

145

yes

0.29

Mosca.A 2018 [13]

NASH

Italy

 

27.8 ± 6

case control study

TaqMan

25

5

13

7

27

23

yes

0.82

NAFL

  

9

9

0

0

0

18