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Table 5 Smoking status: Meta-analysis of the association between the H19 rs217727 polymorphism and cancer risk

From: Association between lncRNA H19 rs217727 polymorphism and the risk of cancer: an updated meta-analysis

Smoking status

NO.

T versus C

TT versus CC

CT versus CC

CT + TT versus CC

TT versus CT + CC

OR (95% CI)

PQ

I2(%)

OR (95% CI)

PQ

I2(%)

OR (95% CI)

PQ

I2(%)

OR (95% CI)

PQ

I2(%)

OR (95% CI)

PQ

I2(%)

smokers

4

1.29 (1.14, 1.46)

0.19

37.9

1.55 (1.17, 2.03)

0.41

0

1.48 (1.23, 1.77)

0.14

44.8

1.49 (1.26, 1.78)

0.11

49.8

1.25 (0.97, 1.61)

0.77

0

nonsmokers

5

1.21 (1.11, 1.32)

0.41

0

1.46 (1.22, 1.76)

0.28

21.1

1.21 (1.07, 1.38)

0.84

0

1.27 (1.12, 1.43)

0.64

0

1.31 (1.10, 1.55)

0.33

13.4