Table 5.

Relation between the augmentation index, aortic pulse wave velocity, and cardiovascular variable in the control group

Variables	Aix		PWV
	r	P-value	r	P-value
Age (years)	0.55	<0.01	0.06	0.55
Weight (kg)	0.179	0.08	−0.027	0.79
Height (m)	−0.382	<0.01	−0.043	0.68
BMI (kg/m2)	0.42	<0.01	0.02	0.84
Waist circumference (cm)	0.040	0.70	−0.018	0.86
Brachial SBP (mmHg)	0.496	<0.01	0.024	0.81
Peripheral DBP (mmHg)	0.472	<0.01	0.053	0.61
Heart rate (bpm)	0.129	0.20	0.06	0.56
Total C (mg · dL−1)	0.026	0.8	0.38	0.02
TGs (mg · dL−1)	−0.11	0.93	0.167	0.20
LDL-C (mg · dL−1)	−0.39	0.76	0.353	0.06
HDL-C (mg · dL−1)	0.031	0.81	0.211	0.10
Fasting plasma glucose (mmol · l−1)	−0.012	0.911	0.009	0.94
Urinary Na+ (mmol · L−1)	−0.54	0.65	−0.121	0.31
Urinary K+ (mmol · L−1)	0.286	0.01	0.046	0.70
Aix (%)			0.78	0.45
PWV (m · s−1)	0.78	0.45

Abbreviations: Aix, augmentation index corrected for heart rate; PWV, pulse wave velocity; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; C, cholesterol; TGs, triglycerides; LDL-C, low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; Na⁺, sodium; K⁺, potassium.