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Table 3 CYP1A1 genotype frequencies observed.

From: CYP1A1gene polymorphisms increase lung cancer risk in a high-incidence region of Spain: a case control study

 

Controls

 

Cases

  

CYP1A1 genotype

N (%)

CI

N (%)

CI

ξ p

*1/*1

189 (71.3)

65.5-76.7

68 (66.0)

55.9-75.1

0.371

*1/*2A

44 (16.6)

12.3-21.7

10 (9.7)

2.6-8.7

0.102

*1/*2B

7 (2.6)

1.1-5.4

11 (10.7)

2.7-9.4

< 0.01

*1/*2C

1 (0.4)

0-2.1

1 (1.0)

0-5.3

nc

*1/*3

2 (0.7)

0.1-2.7

1 (1.0)

0-5.3

nc

*1/*4

20 (7.6)

-

9 (8.7)

4.1-15.9

0.829

*2A/*4

1 (0.4)

0-2.1

1 (1.0)

0-5.3

nc

*2B/*3

0 (0)

-

1 (1.0)

0.5.3

nc

*4/*4

1 (0.4)

0-2.1

1 (1.0)

0.5.3

nc

Total

265

 

103

  
  1. Because of rounding, percentages may not total 100.
  2. N: Number of subjects
  3. nc: non-calculable
  4. ξ Pearson's χ2 analysis