Skip to main content

Table 3 Statistical analysis of pulse wave-derived cardiac output measurements and of the reference technique

From: Accuracy and precision of calibrated arterial pulse contour analysis in patients with subarachnoid hemorrhage requiring high-dose vasopressor therapy: a prospective observational clinical trial

 

T0

T2

T6

T12

T24

T48

T72

Tall

TPCO, l · min -1

8.8 ± 2.4

8.8 ± 2.1

8.6 ± 2.0

8.6 ± 1.9

8.3 ± 1.8

8.3 ± 1.7

8.6 ± 2.0

8.5 ± 2.0

CV TPCO, %

2.2

2.1

2.5

2.0

2.1

3.0

2.4

2.3

CE TPCO, %

1.2

1.2

1.4

1.1

1.2

1.6

1.2

1.3

Precision TPCO, %

2.4

2.4

2.7

2.2

2.3

3.3

2.5

2.6

PCCO, l min -1

8.8 ± 2.4

8.8 ± 2.5

8.6 ± 2.0

8.7 ± 2.0

8.3 ± 1.5

8.7 ± 1.8

8.6 ± 2.3

8.6 ± 2.0

Bias, l min -1

0.0 ± 0.4

0.1 ± 0.9

0.0 ± 0.7

-0.1 ± 0.9

0.1 ± 0.7

-0.4 ± 0.9

-0.1 ± 0.9

-0.03 ± 0.8

Limits of agreement, l min -1

0.9

1.8

1.4

1.8

1.4

1.8

1.7

1.6

PE PCCO, %

9.9

20.0

16.1

20.5

17.2

21.8

19.8

18.4

Precision PCCO, %

8.9

19.6

15.3

20.2

16.7

20.9

19.2

17.8

  1. Data are presented as mean ± SD if not stated otherwise. T, time; TPCO, transpulmonary cardiac output; PCCO, pulse wave-derived cardiac output; CV, coefficient of variation; CE, coefficient of error; PE, percentage error.