PWV*a   Coefficient SE partial R2 P value
Age 0.006 0.001 0.090 <0.0001
Mean arterial pressure* 0.745 0.099 0.266 <0.0001
Diabetes 0.139 0.060 0.033 0.021
Adjusted R2     0.371  
AIxb   Coefficient SE partial R2 P value
Age 0.487 0.121 0.099 <0.0001
Mean arterial pressure* 63.941 9.289 0.244 <0.0001
Heart rate -0.744 0.085 0.341 <0.0001
Gender 18.913 2.644 0.258 <0.0001
Current CD4 count* 15.559 6.133 0.042 0.012
Adjusted R2     0.537  
PPAc   Coefficient SE partial R2 P value
Age -0.003 0.002 0.016 0.157
Mean arterial pressure* -0.445 0.133 0.081 0.001
Heart rate 0.006 0.001 0.148 <0.0001
Gender -0.196 0.041 0.153 <0.0001
25-hydroxyvitamin D* 0.059 0.029 0.032 0.042
Adjusted R2     0.283  
*Log-transformed;
aPWV: Pulse Wave Velocity;
bAix: Augmentation Index;
cPPA: Pulse Pressure Amplification;
SE: Standard Error.
Variables in the selection models were age, mean arterial pressure, heart rate, gender, diabetes, smoking status, waist circumference, 25-hydroxyvitamin D level, protease inhibitor treatment, nadir CD4 count, and current CD4 count.
Table 3: Determinants of aortic PWV, carotid AIx, and PPA.