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Table 1 Accuracy of estimated PP based on PTT, and PP estimated using the proposed method

From: Novel blood pressure and pulse pressure estimation based on pulse transit time and stroke volume approximation

Subject

Static exercise RMSE (mmHg)

Cold pressor test RMSE (mmHg)

Proposed method

PTT-based method

Proposed method

PTT-based method

1

3.87

6.99

1.71

2.08

2

2.22

2.16

3.14

6.43

3

4.20

6.38

2.63

3.12

4

5.89

7.22

2.23

2.31

5

1.49

3.08

0.66

0.85

6

6.04

7.62

2.95

2.99

7

1.53

5.96

1.95

3.26

8

2.07

3.22

1.61

1.60

9

6.06

6.03

3.14

3.87

10

4.49

4.55

1.87

1.96

11

1.58

2.51

2.76

3.35

Mean

3.59a ± 1.89

5.07 ± 2.02

2.24b ± 0.77

2.89 ± 1.47

  1. aStatistically significant difference at p < 0.01 compared with the PTT-based method
  2. bStatistically significant difference at p < 0.05 compared with the PTT-based method
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