Table 3 Main data of all studies included in the meta-analysis for the -79G/C (Gln27Glu) polymorphism in β2-A R gene

Cui, LY(Han)[17]

Neimenggu

2007

21-62

32

6

4

26

3

1

3.05

0.32-28.79

Gao, G K[28]

Beijing

2002

4-56

20

32

6

32

49

8

1.17

0.38-3.56

Liao, W[20]

Chongqing

2001

5.8 ± 4.3

26

20

4

20

27

3

1.36

0.29-6.43

Lin, Y C[29]

Taiwan

2003

13.9 ± 0.07

65

15

0

54

14

1

0.28

0.01-7.08

Pan, Y P[30]

Jiangxi

2005

-

15

24

6

17

23

5

1.23

0.35-4.37

Qiu, Y Y(2000)[31]

Jiangsu

2000

42 ± 5

23

30

6

29

36

7

1.05

0.33-3.32

Qiu, Y Y(2008)[21]

Jiangsu

2008

63.2 ± 5.6

56

13

1

90

20

2

0.80

0.07-8.96

Wang, Z[23]

Anhui

2001

30.6 ± 16.2

108

19

1

113

22

1

1.06

0.07-17.18

Ye, X W[32]

Guizhou

2003

42.68 ± 10.55

25

39

10

15

20

4

1.37

0.40-4.68

Zhang, X Y[26]

Chongqing

2008

1.08-17

54

119

44

8

24

18

0.45

0.23-0.88