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Table 2 Agreement between repeated measurements for mobile and stationary Preventiometers

From: The Preventiometer - reliability of a cardiovascular multi-device measurement platform and its measurement agreement with a cohort study

Variable

n

1st Meas

M (SD)

2nd Meas

M (SD)

Mean difference [CI]

SMD

Lower LoA [CI]

Upper LoA [CI]

ICC

[CI]

VC

persons

VC

methods

VC

residuals

SEM agreement

Systolic blood pressure in mmHg

Mobile

45

120.5

(13.8)

122.1

(13.8)

1.6

[-0.2; 3.5]

0.27

-13.8

[-17; -10.6]

10.5

[7.3; 13.7]

.90

[.82; .94]

171.96

0.93

19.21

4.49

Stationary

31

122.5

(12.9)

121.9

(13.2)

-0.6

[-2.8; 1.6]

-0.1

-11.3

[-15.1; -7.5]

12.5

[8.6; 16.3]

.89

[.79; .95]

152.14

0

17.94

4.24

Diastolic blood pressure in mmHg

Mobile

45

79.5

(9.4)

81.1

(9.6)

1.6

[0.5; 2.8]

0.42

-9.2

[-11.2; -7.2]

6

[4; 8]

.91

[.82; .95]

82.68

1.15

7.48

2.94

Stationary

31

79.1

(8.8)

80.7

(9.6)

-1.6

[-0.2; 3.5]

0.32

-11.5

[-14.7; -8.3]

8.3

[5.1; 11.5]

.84

[.69; .92]

71.96

0.89

12.82

3.70

Body fat in %

Mobile

45

29.6

(8.7)

30

(8.6)

0.4

[-0.3; 1.1]

0.19

-4.8

[-6; -3.6]

4

[2.8; 5.1]

.97

[.94; .98]

71.78

0.03

2.51

1.59

Stationary

31

28.3

(9.5)

29.1

(9.5)

0.7

[-0.1; 1.5]

0.34

-4.8

[-6.2; -3.5]

3.4

[2.1; 4.7]

.97

[.94; .99]

87.69

0.19

2.21

1.55

Heart rate in bpm

Mobile

44

70.2

(11.9)

67.6

(10.9)

-2.6

[-4; -1.2]

-0.58

-6.3

[-8.7; -3.9]

11.6

[9.2; 14]

.90

[.75; .95]

120.33

3.24

10.40

3.69

Stationary

30

74.2

(10.6)

73.1

(10)

-1

[-2.8; 0.8]

-0.21

-8.4

[-11.5; -5.3]

10.5

[7.4; 13.6]

.89

[.78; .95]

94.77

0.15

11.60

3.43

Vital capacity (FVC) in l

Mobile

46

4.3

(1.1)

4.3

(1.1)

0

[0; 0]

-0.01

-0.2

[-0.3; -0.2]

0.2

[0.2; 0.3]

.99

[.99; 1]

1.20

0

0.01

0.08

Stationary

29

4.5

(1.2)

4.5

(1.2)

0

[-0.1; 0]

-0.16

-0.2

[-0.3; -0.1]

0.3

[0.2; 0.3]

1

[.99; 1]

1.44

0

0.01

0.08

Peak flow (PEF) in l

Mobile

46

7.8

(2.1)

7.8

(2.3)

0

[-0.1; 0.2]

0.08

-1.2

[-1.5; -0.9]

1.1

[0.8; 1.4]

.97

[.94; .98]

4.63

0

0.17

0.41

Stationary

29

7.8

(2)

7.7

(1.9)

-0.1

[-0.3; 0.1]

-0.24

-0.9

[-1.2; -0.5]

1.1

[0.8; 1.4]

.97

[.93; .98]

3.79

0

0.12

0.36

  1. Meas. Measurement, M mean, SD standard deviation, CI confidence interval, LoA limit of agreement, ICC intraclass correlation coefficient, VC variance components, SEM standard error of measurement