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Table 15 Main data of all studies included in the meta-analysis for the -509C/T polymorphism in TGF-β1 gene

From: Asthma susceptible genes in Chinese population: A meta-analysis

    

Case

Control

  

Study

Population location

Year

Age

CC

CT

TT

CC

CT

TT

OR

95%CI

Lu, J R[85]

Jilin

2004

1-13

45

38

15

30

19

3

1.61

0.81-3.17

Mak, J C[86]

Hong Kong

2006

41.0 ± 16.1

46

109

93

51

155

102

0.87

0.56-1.35

Xia, W[87]

Jiangxi

2006

15-60

22

26

12

17

11

2

2.26

0.92-5.52