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Table 4 Genotype frequencies, allele frequencies at SHMT C1420T,CBS C699T,CBS C1080T,MSA2756G,MTRR A66G candidate loci

From: Plasma homocysteine levels and genetic polymorphisms in folate metablism are associated with breast cancer risk in chinese women

Genotype

Cases (n = 96) n (%)

Controls (n = 85) n (%)

Mutation Allelic frequency

p a

   

Cases (%)

Controls (%)

 

SHMT C1420T

96(100.0)

85(100.0)

29.7

41.2

0.039*

CC

48(50.0)

32(37.6)

   

CT

39(40.6)

36(42.4)

   

TT

9(9.4)

17(20)

   

CBS C699T

96(100.0)

85(100.0)

37.5

35.9

0.962

CC

38(39.6)

36(42.4)

   

CT

44(45.8)

37(43.5)

   

TT

14(14.6)

12(14.1)

   

CBS C1080T

96(100.0)

85(100.0)

32.3

37.6

0.624

CC

47(49.0)

34(40.0)

   

CT

36(37.5)

38(44.7)

   

TT

13(13.5)

13(15.3)

   

MS A2756G

96(100.0)

85(100.0)

20.3

11.1

0.004**

AA

59(61.4)

69(81.2)

   

AG

35(36.4)

13(15.3)

   

GG

2(2.2)

3(3.5)

   

MTRR A66G

96(100.0)

85(100.0)

45.3

25.9

0.007**

AA

13(13.5)

9(10.6)

   

AG

79(82.3)

75(88.2)

   

GG

4(0.04)

1(0.12)

   
  1. a*Different from reference (p < 0.05), **different from reference (p < 0.01).