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Table 2 The allele frequencies and genotypes distributions of NKX2-5 polymorphism rs2277923

From: The role of NKX2-5 gene polymorphisms in congenital heart disease (CHD): a systematic review and meta-analysis

Serial no

Authors

Year

Genotypes distribution

Alleles distribution

Cases

Controls

Cases

Controls

AA

AG

GG

AA

AG

GG

A

G

A

G

1

Behiry

2019

09

87

54

0

32

58

105

195

32

148

2

Peng

2010

-

-

-

-

-

-

22.2

77.8

22.8

77.2

3

Cao

2015

20

37

13

24

65

47

77

63

113

159

4

Ketharnathan

2015

20

19

11

43

7

0

59

41

93

7

5

Pang

2012

27

100

86

29

80

85

36.2

63.8

35.6

64.4

6

Dinesh

2010

77

49

24

34

25

11

67.7

32.3

66.4

33.6

7

Ouyang

2011

-

-

-

-

-

-

46.1

53.9

36.7

63.3

8

Wang et al.

2019

87

352

86

481

9

Liu [1]

2009

30

70

60

48

94

58

40.6

59.4

47.5

52.5

10

Liu [2]

2009

32

85

63

48

94

58

41.4

58.6

47.5

52.5

11

Han

2011

08

43

30

04

25

23

36.4

63.6

31.7

68.3

12

Xie

2013

75.4

24.6

76.2

23.8

13

Xiong

2013

79.2

20.8

82.3

17.7

14

Yin

2018

11.2

50

38.8

18.5

49

32.5

36.2

63.8

43

57

15

Zhang

2009

30

107

93

26

98

76

36.3

63.7

37.5

62.5

16

Zhao

2020

93

310

217

75

254

291

40

60

32.6

67.4

17

Shi

2005

7

27

76

07

33

70

19

81

37.7

62.3