Table 4.

Multivariate logistic regression analysis

Index	Standardized β	OR	95% CI	P
Increased Hcy	1.16	3.19	1.04-4.89	<0.001
MTHFRC677T gene (TT type)	1.05	2.88	1.00-2.45	<0.001

Note: Hcy: homocysteine.