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Risk of hyperhomocysteinemia in relation to the number of the four selected risk factors by sex and age
*Folate deficiency (<6.8 nM/L), vitamin B12 deficiency (<148 pM/L), elevated creatinine (>110 µM/L for men and >90 µM/L for women), and family history of stroke; †cut-off points of hyperhomocysteinemia were >15.31 µM/L for men and >12.69 µM/L for women; OR, odds ratio adjusted for age within two age groups (<65 yr and ≥65 yr); ‡P<0.05; §P<0.01.
