Table 1 Statistics from the dICP analysis.

From: Respiratory influence on cerebrospinal fluid flow – a computational study based on long-term intracranial pressure measurements

PatID

N

L (cm)

Heart rate (Beats per minute)

Respiratory rate (Breaths per minute)

Cardiac pressure gradient, a1 (mmHg/m)

Respiratory pressure gradient, a0 (mmHg/m)

Pressure gradient ratio a1/a0

1

21

6.8

78 ± 9

17 ± 2

1.59 ± 0.47

0.72 ± 0.23

2.22

2

56

5.5

51 ± 9

15 ± 4

1.52 ± 0.85

0.46 ± 0.12

3.31

3

53

7.0

67 ± 2

15 ± 3

1.83 ± 0.74

0.36 ± 0.09

5.11

4

105

5.3

59 ± 4

13 ± 3

1.11 ± 0.47

0.58 ± 0.27

1.91

5

89

3.2

59 ± 4

14 ± 3

3.23 ± 1.12

0.88 ± 0.29

3.67

6

55

7.0

74 ± 7

17 ± 3

0.86 ± 0.23

0.41 ± 0.13

2.13

7

60

7.9

53 ± 7

17 ± 4

0.93 ± 0.52

0.30 ± 0.12

3.06

8

27

5.7

54 ± 3

15 ± 3

0.99 ± 0.61

0.51 ± 0.23

1.94

9

36

5.3

64 ± 4

16 ± 4

1.09 ± 0.43

0.48 ± 0.17

2.26

Avg.

55

6.0

62 ± 9

15 ± 1

1.46 ± 0.74

0.52 ± 0.18

2.85 ± 1.06

  1. The last row shows average and standard deviation of average values from each individual patient. All values in the table have been rounded after as exact computations as possible. N: number of accepted 6-minute windows. L: distance between ICP sensors.
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