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Table 2 Genotype distributions and allele frequencies of PCMT1 rs4816 and rs4552 in NTD and control groups

From: PCMT1 gene polymorphisms, maternal folate metabolism, and neural tube defects: a case–control study in a population with relatively low folate intake

Polymorphism

Genotype

NTDs n (%)

Control n (%)

OR (95 % CI)

P a

rs4816: A > G (Ile120Val)

 

116

141

  

AA

70 (60.3)

87 (61.7)

1

 

AG

37 (31.9)

45 (31.9)

1.02 (0.597, 1.748)

0.937

GG

9 (7.8)

9 (6.4)

1.24 (0.468, 3.299)

0.191

rs4552: T > A

 

120

144

  

TT

75 (62.5)

91 (63.2)

1

 

AT

42 (35.0)

48 (33.3)

1.06 (0.635, 1.776)

0.820

AA

3 (2.5)

5 (3.5)

0.73 (0.168, 3.146)

0.670

  1. aχ2 test was used to calculate P values