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Table 2 Genotype and allele frequencies in GSTM1, GSTT1, and GSTP1 polymorphisms.

From: Gene polymorphisms of biotransforming enzymes (GSTs) and their association with lung cancer in the Slovakian population

Genotype/group

Case n (%)

Control n (%)

OR

95% CI

P value

χ2

GSTT1

n = 160

n = 220

    

+

119 (74)

174 (79)

1.0

(ref.)

0.33

0.91

null

41 (26)

46 (21)

1.3

0.81-2.1

  

GSTM1

n = 160

n = 220

    

+

66 (41)

115 (52)

1.0

(ref.)

0.04

4.08

null

94 (59)

105 (48)

1.6

1.03-2.4

  

GSTP1

n = 160

n = 220

    

Allele

      

Ile

228 (71)

328 (75)

1.0

(ref.)

  

Val

92 (29)

112 (36)

1.2

0.86-1.63

0.35

0.86

Ile/Ile

81 (51)

126 (57)

1.0

(ref.)

  

Ile/Val

66 (41)

76 (35)

1.4

0.88-2.08

0.20

1.57

Val/Val

13 (8)

18 (8)

1.1

0.52-2.42

0.91

0.01

Ile/Val or Val/Val

79 (49)

94 (43)

1.3

0.86-1.96

0.23

1.39

     

0.32*

0.97*

  1. *(P value, from χ2 test for trend)