Table 1

Cognitive status at baseline stratified for the MTHFR genotypes and sex

MTHFR genotypeWomen (n=456)Men (n=185)
ala/alaala/valval/valala/alaala/valval/val
Number21319647849011
Median age (y)89.389.189.489.189.688.6
IQR87.6–91.487.4–91.687.9–91.687.4–91.487.7–92.687.9–93.8
Median MMSE (points)262527272722
IQR21–2920–2824–2924–2921–2919–27
Diagnosis of dementia (yes/no)1-151 52/14755/12812/349/6717/623/6
  • 1-150 IQR=interquartile range, representing the 25% and 75% percentiles of the distribution.

  • 1-151 Total number of participants to the psychiatric interview was 428 women and 164 men.