Table 6.

Correlations between serum B vitamin biomarkers and oxidative biomarkers

	Oxidative biomarkers
	ROS (IU/ml)		MDA (mmol/L)		8-OHdG (ng/L)		8-iso-PGF2α (ng/L)
	r	FDR adjusted P value	r	FDR adjusted P value	r	FDR adjusted P value	r	FDR adjusted P value
Serum B vitamin biomarkers
Folate (μg/L)	− 0.507	< 0.001*	− 0.432	< 0.001*	− 0.653	< 0.001*	− 0.568	< 0.001*
Vitamin B6 (ng/L)	0.069	0.742	0.155	0.293	− 0.008	0.991	0.194	0.223
Vitamin B12 (ng/L)	0.114	0.588	0.109	0.588	0.220	0.097	0.177	0.194
Hcy (μmol/L)	0.564	< 0.001*	0.400	< 0.001*	0.666	< 0.001*	0.547	< 0.001*

Hcy homocysteine, ROS reactive oxygen species, MDA malondialdehyde, 8-OHdG 8-hydroxy-desoxyguanosine, 8-iso-PGF2α 8-iso-prostaglandin F2α, FDR false discovery rate

^∗P < 0.05