Key result
Postural change to a supine position decreased carotid-femoral pulse wave velocity (-1.75 m/s, p<0.001), highlighting significant anatomical and individual variability in BP/PTT calibration.
Cross-Sectional (n=113)
Mean Difference: -1.75
p-value: p=<0.001
There is significant anatomical site and between-individual variability in the calibration term for cuffless blood pressure estimation from pulse transit time, highlighting the need for individualized calibration methods.
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cfPWV decreases supine; hypothesis-generating for posture effects on vascular stiffness assessment.
Butlin et al. (2018) reported a cross-sectional. Postural change (seated to supine) vs. Seated position was evaluated on Change in carotid-femoral pulse wave velocity (cfPWV) (MD -1.75, p=<0.001). Postural change to a supine position decreased carotid-femoral pulse wave velocity (-1.75 m/s, p<0.001), highlighting significant anatomical and individual variability in BP/PTT calibration.
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