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

Table 4

Comparison of clinical data.

Factors	Morning hypertension group (n = 52)	Nonmorning hypertension group (n = 114)	χ2	P
The history of drinking			10.280	＜0.001
Yes	28(53.85)	32(28.07)
No	24(46.15)	82(71.93)
Smoking history			14.968	＜0.001
Yes	35(67.31)	40(35.09)
No	17(32.69)	74(64.91)
Eating habits			18.819	＜0.001
High salt diet	42(80.77)	51(44.74)
A low salt diet	10(19.23)	63(55.26)
Family history of hypertension			1.039	0.308
Yes	34(65.38)	65(57.02)
No	18(34.62)	49(42.98)
Course of hypertension			0.044	0.835
＞10 years	21(40.38)	48(42.11)
≤10 years	31(59.62)	66(57.89)
24 h systolic blood pressure			23.682	＜0.001
Normal	7(13.46)	61(53.51)
Elevated	45(86.54)	53(46.49)