Clinical Study

The Effects of Hemodynamic Changes on Pulse Wave Velocity in Cardiothoracic Surgical Patients

Table 2

Estimates of intercept and slopes for dependent-variable~independent-variable after using linear mixed model.

Linear mixed models
VariablesIntercept95% CI (intercept)Slope95% CI (slope)

PWV~SBP3.353.04, 3.650.016 0.01, 0.02
PWV~MAP3.292.98, 3.600.024 0.02, 0.03
PWV~DBP3.252.95, 3.550.03 0.029, 0.036
PWV~PP3.763.44, 4.080.026 0.02, 0.03
PWV~HR3.653.06, 4.260.026 0.01, 0.03
PWV~SV6.005.51, 6.49−0.007−0.01, −0.002
PWV~CO4.974.49, 5.46 0.05−0.02, 0.12
PWV~SVR3.863.55, 4.160.001 0.001, 0.0014

value < 0.001; value < 0.01.
CI: confidence interval; CO: cardiac output; HR: heart rate; PP: pulse pressure; PWV: pulse wave velocity; SBP: systolic blood pressure; SV: stroke volume; SVR: systemic vascular resistance; MAP: mean arterial pressure; DBP: diastolic blood pressure.