Table 3 Calibration-free BP estimation: Fitting errors (mmHg) at different PI levels

From: An Unobtrusive and Calibration-free Blood Pressure Estimation Method using Photoplethysmography and Biometrics

 

PI < 0.01

PI ≥ 0.01

Young

Measurement (n)

114

625

SBP Error

−2.8 ± 12.9*

1.1 ± 10.9

DBP Error

−1.6 ± 8.6*

0.7 ± 8.5

Older

Measurement (n)

99

1241

SBP Error

−1.6 ± 15.5*

−0.6 ± 14.0

DBP Error

−2.7 ± 9.8*

0.0 ± 8.9

  1. *P < 0.05 versus fitting errors when PI ≥ 0.01.
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