Table 1

General characteristics of the study participants according to MTHFR genotypea

MTHFR genotypeWild-typeT/T
n 910
Age52.2 ± 19.548.8 ± 21.1
Male/Female4/54/6
Plasma folate (ng/ml)10.5 ± 5.59.4 ± 4.7
RBC folate (pmol/mg hemoglobin)2.4 ± 1.12.3 ± 1.1
Homocysteine (nmol/ml)5.5 ± 2.26.5 ± 2.6
  • a Values are means ± SD and not different between genotypes (Student’s t test; P > 0.05).