Table 2.

Correlation of augmentation index@75 with risk factors

	Non-PCI group				PCI group
			Multiple regression				Multiple regression
	ρ	p	r2	p	ρ	p	r2	p
			0.396	<0.001			0.488	<0.001
			β	p			β	p
Age	0.383	<0.001	0.250	<0.001	0.473	<0.001	0.282	0.014
Male			−4.333	0.029			−5.691	0.043
BPP (mmHg)	0.223	0.005	0.156	0.346	0.378	<0.001	0.071	0.243
BSBP (mmHg)	0.241	0.002	−0.145	0.323	0.261	0.026	0.106	0.263
BDBP (mmHg)	0.149	0.061	0.387	0.009	−0.079	0.507	0.006	0.796
Total cholesterol (mg/dL)	−0.026	0.748	0.005	0.718	0.067	0.578	0.039	0.648
HDL cholesterol (mg/dL)	0.150	0.071	0.03	0.608	−0.077	0.528	−0.310	0.057
Height (m)	−0.359	<0.001	−0.17	0.141	−0.514	<0.001	−0.193	0.470
BMI (kg/m2)	−0.178	0.025	−0.429	0.056	−0.081	0.497	−0.938	0.692
Hypertension			2.61	0.089			3.538	0.097
Diabetes			−3.161	0.067			0.043	0.983
Smoking			−2.294	0.146			6.142	0.007

PCI percutaneous coronary intervention, BPP brachial pulse pressure, BSBP brachial systolic blood pressure, BDPB brachial diastolic blood pressure, HDL high-density lipoprotein, PCI percutaneous coronary intervention, BMI body mass index

p < 0.05 considered significant; ρ, Pearson correlation analysis