Table 1

Cognitive status at baseline stratified for the MTHFR genotypes and sex

MTHFR genotype		Women (n=456)				Men (n=185)
MTHFR genotype		ala/ala	ala/val			val/val	ala/ala	ala/val	val/val
Number	213	196	47		84	90	11
Median age (y)	89.3	89.1	89.4		89.1	89.6	88.6
IQR	87.6–91.4	87.4–91.6	87.9–91.6		87.4–91.4	87.7–92.6	87.9–93.8
Median MMSE (points)	26	25	27		27	27	22
IQR	21–29	20–28	24–29		24–29	21–29	19–27
Diagnosis of dementia (yes/no)^1-151	52/147	55/128	12/34		9/67	17/62	3/6

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.