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Table 1 Estimated cerebral blood flow and measured physiological variables expressed both as mean and median

From: Monitoring variables affecting positron emission tomography measurements of cerebral blood flow in anaesthetized pigs

 

Mean

Std dev

Median

Range

N

CBF (mL/mL/min)

0.54

0.16

0.51

0.15–0.91

37

pH

7.44

0.04

7.44

7.35–7.52

28

PaCO2 (kPa)

6.3

0.7

6.2

5.0–7.9

28

PaO2 (kPa)

18

5

16

10.7–29.0

27

HCT (%)

30

3

30

24.3–35.9

26

HR (min−1)

115

25

116

53–160

21

SBP (mmHg)

114

14

110

86–142

23

DBP (mmHg)

76

17

70

51–118

23

GLC (mmol/L)

4.9

1.4

4.8

2.3–8.1

26

TEMP (°C)

37.7

1.3

37.9

34.8–39.9

23

TIME (min)

115

68

127

79–314

37

  1. CBF cerebral blood flow, PaCO 2 arterial carbondioxide tension, PaO 2 arterial oxygen tension, HCT haematocrit, HR heart rate, SBP systolic blood pressure, DBP diastolic blood pressure, GLC blood glucose, TEMP body temperature, TIME duration of anaesthesia, N number of observations