[Retracted] Effect of MTHFRC677 T Gene Polymorphism on Early Morning Blood Pressure in Elderly Female Patients with H-Type Hypertension

Table 2

Comparison of base frequency and allele distribution of C677 T locus of MTHFR gene (n,%).

Group	Genotype			Allele frequency (%)
	CC	CT	TT	C	T
H-type hypertension group (n = 166)	21(12.65)	61(36.75)	84(50.60)	103(31.02)	229(68.98)
Normal hypertension group (n = 54)	12(22.22)	25(46.30)	17(31.48)	49(45.37)	59(54.63)
χ2	5.596			7.417
P	0.018			0.006