Table 2 Ψ and ABP estimation error for different types of noise and percentage levels of noise.

FE

SH

KF

FE

SH

KF

FE

SH

KF

Saturate to ABP maximum (a_{s max})

20

0.86 ± 0.28

19.52 ± 18.15

3.92 ± 3.46

3.49 ± 3.21

29.55 ± 27.44

2.87 ± 2.46

2.38 ± 2.19

2.72 ± 2.43

2.49 ± 2.10

1.96 ± 1.85

40

0.71 ± 0.31

26.64 ± 23.56

4.32 ± 3.66

3.72 ± 3.22

40.75 ± 35.47

3.19 ± 2.60

2.49 ± 2.21

3.25 ± 2.92

2.74 ± 2.24

2.03 ± 1.86

60

0.53 ± 0.26

32.46 ± 27.11

4.97 ± 4.02

4.27 ± 3.67

49.79 ± 39.86

3.68 ± 2.86

2.73 ± 2.33

3.86 ± 3.44

3.08 ± 2.41

2.15 ± 1.92

80

0.31 ± 0.20

41.20 ± 29.62

6.32 ± 4.72

5.52 ± 4.57

65.19 ± 39.41

4.93 ± 3.60

3.65 ± 3.03

4.57 ± 4.04

3.85 ± 2.76

2.68 ± 2.31

100

0.18 ± 0.18

77.13 ± 37.37

6.78 ± 5.01

5.94 ± 4.90

91.15 ± 41.62

5.07 ± 3.56

3.96 ± 3.30

24.33 ± 19.98

4.14 ± 2.90

2.89 ± 2.48

Saturate to ABP minimum (a_{s min})

20

0.90 ± 0.32

38.13 ± 34.84

7.33 ± 6.90

6.00 ± 5.59

22.88 ± 21.36

2.09 ± 1.83

1.73 ± 1.54

16.22 ± 15.27

1.33 ± 1.12

1.18 ± 1.05

40

0.82 ± 0.38

50.03 ± 42.85

9.29 ± 8.58

7.66 ± 6.91

30.20 ± 26.91

2.46 ± 2.09

2.07 ± 1.76

21.49 ± 19.41

1.55 ± 1.25

1.41 ± 1.19

60

0.73 ± 0.40

59.62 ± 47.45

11.07 ± 9.98

9.15 ± 7.92

36.11 ± 30.57

2.91 ± 2.42

2.46 ± 2.02

25.74 ± 22.33

1.81 ± 1.42

1.65 ± 1.33

80

0.64 ± 0.39

67.88 ± 49.51

12.94 ± 11.08

11.10 ± 8.65

41.19 ± 32.93

3.29 ± 2.65

2.84 ± 2.22

29.43 ± 24.13

2.11 ± 1.57

1.95 ± 1.43

100

0.54 ± 0.36

75.20 ± 49.03

17.61 ± 12.44

17.80 ± 10.66

45.67 ± 34.24

3.97 ± 2.98

3.88 ± 2.70

32.70 ± 25.06

3.46 ± 2.02

3.37 ± 1.93

Reduced pulse pressure (a_PP)

20

0.92 ± 0.19

16.71 ± 14.75

12.04 ± 10.54

10.69 ± 9.33

5.80 ± 5.01

4.33 ± 3.67

3.69 ± 3.21

2.27 ± 1.90

2.40 ± 2.00

1.96 ± 1.83

40

0.87 ± 0.22

21.84 ± 17.81

15.62 ± 12.67

13.81 ± 11.06

7.38 ± 6.01

5.32 ± 4.26

4.47 ± 3.65

2.42 ± 1.97

2.58 ± 2.08

2.05 ± 1.86

60

0.81 ± 0.23

25.95 ± 19.23

18.61 ± 13.74

16.44 ± 11.83

8.66 ± 6.58

6.16 ± 4.61

5.14 ± 3.92

2.57 ± 2.03

2.75 ± 2.13

2.14 ± 1.89

80

0.76 ± 0.23

29.54 ± 19.36

21.71 ± 14.03

19.38 ± 11.82

9.77 ± 6.86

6.96 ± 4.81

5.83 ± 4.11

2.71 ± 2.07

2.90 ± 2.17

2.24 ± 1.91

100

0.72 ± 0.22

33.21 ± 18.25

26.10 ± 13.80

24.41 ± 12.09

10.80 ± 6.93

8.03 ± 5.04

7.06 ± 4.41

2.78 ± 2.11

3.01 ± 2.20

2.34 ± 1.95

Square wave artifact (a_sw)

20

0.86 ± 0.28

19.38 ± 18.26

3.69 ± 3.21

3.23 ± 2.95

9.03 ± 8.50

2.77 ± 2.35

2.24 ± 2.06

3.91 ± 3.62

2.44 ± 2.06

1.91 ± 1.79

40

0.71 ± 0.31

26.54 ± 24.07

4.04 ± 3.37

3.42 ± 3.02

12.09 ± 11.10

3.07 ± 2.47

2.34 ± 2.08

4.93 ± 4.58

2.71 ± 2.21

1.99 ± 1.80

60

0.53 ± 0.26

32.43 ± 28.15

4.57 ± 3.63

3.81 ± 3.24

14.63 ± 13.05

3.49 ± 2.65

2.54 ± 2.19

5.82 ± 5.37

3.05 ± 2.38

2.13 ± 1.86

80

0.31 ± 0.19

43.10 ± 32.44

6.38 ± 4.73

5.63 ± 4.61

18.49 ± 15.14

4.80 ± 3.39

3.76 ± 3.12

6.73 ± 6.08

3.93 ± 2.81

2.79 ± 2.38

100

0.18 ± 0.17

73.95 ± 33.22

6.75 ± 4.97

5.94 ± 4.90

33.09 ± 21.47

5.04 ± 3.53

3.96 ± 3.31

20.10 ± 13.67

4.13 ± 2.90

2.90 ± 2.48

High frequency artifact (a_hf)

20

0.90 ± 0.17

3.84 ± 3.35

4.03 ± 3.52

3.58 ± 3.15

2.54 ± 2.18

2.78 ± 2.38

2.68 ± 2.28

6.85 ± 6.01

5.79 ± 5.05

4.93 ± 4.14

40

0.82 ± 0.17

4.38 ± 3.69

4.64 ± 3.91

4.09 ± 3.36

2.74 ± 2.29

3.06 ± 2.54

3.17 ± 2.39

9.32 ± 7.56

8.12 ± 6.57

6.96 ± 5.01

60

0.73 ± 0.14

4.91 ± 3.97

5.26 ± 4.24

4.74 ± 4.35

2.95 ± 2.39

3.36 ± 2.70

3.76 ± 2.47

11.55 ± 8.31

10.25 ± 7.34

9.44 ± 5.46

80

0.66 ± 0.12

5.76 ± 4.36

6.27 ± 4.73

6.10 ± 4.35

3.35 ± 2.51

3.92 ± 2.94

4.96 ± 2.76

15.20 ± 8.42

13.62 ± 7.58

14.59 ± 6.72

100

0.62 ± 0.13

7.67 ± 5.16

7.88 ± 5.37

7.59 ± 5.18

4.19 ± 2.79

4.69 ± 3.21

6.23 ± 3.21

19.35 ± 8.85

16.90 ± 8.39

18.82 ± 8.59

Impulse artifact (a_imp)

20

0.93 ± 0.16

5.58 ± 4.91

3.88 ± 3.42

3.33 ± 3.06

5.51 ± 4.87

3.47 ± 3.01

2.67 ± 2.44

4.28 ± 3.76

3.42 ± 2.98

2.46 ± 2.28

40

0.85 ± 0.19

7.24 ± 6.05

4.43 ± 3.79

3.68 ± 3.28

7.45 ± 6.21

4.33 ± 3.62

3.17 ± 2.80

5.70 ± 4.81

4.40 ± 3.73

3.02 ± 2.68

60

0.77 ± 0.18

8.43 ± 6.42

5.02 ± 4.12

4.03 ± 3.49

8.87 ± 6.54

5.23 ± 4.11

3.70 ± 3.15

6.81 ± 5.29

5.25 ± 4.22

3.60 ± 3.06

80

0.69 ± 0.15

9.52 ± 6.61

5.59 ± 4.39

4.49 ± 3.73

10.18 ± 6.69

6.05 ± 4.44

4.36 ± 3.43

7.72 ± 5.55

6.05 ± 4.60

4.24 ± 3.35

100

0.66 ± 0.18

13.29 ± 7.58

7.59 ± 5.59

6.41 ± 4.97

14.22 ± 7.04

8.58 ± 5.68

6.95 ± 4.89

10.96 ± 6.62

8.89 ± 6.02

7.13 ± 4.99