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Table 2 Main study variables for individual patients

From: Comparison of quantitative computed tomography analysis and single-indicator thermodilution to measure pulmonary edema in patients with acute respiratory distress syndrome

Patient no.

CT Quantitative analysis

PiCCO plus system

CT mean(Hu)

GV CT(ml)

TV CT(ml)

TVI (ml/kg)

g/t

GEDI (ml/m 2)

ITBI (ml/m 2)

PTV (ml)

ELWI (ml/kg)

1

-408.76

1068.12

1519.39

17.67

0.70

916

1145

1580.9

13

2

-635.51

1253.14

712.60

10.96

1.76

853

1066

953.13

9

3

-240.55

506.86

1652.71

33.05

0.31

564

705

2404.6

44

4

-352.20

485.55

697.01

9.29

0.70

801

1001

891.38

7

5

-264.17

735.94

1422.71

19.76

0.52

904

1130

1565.6

16

6

-331.26

610.46

1209.24

15.50

0.50

920

1150

1614.2

15

7

-440.78

677.83

857.52

14.29

0.79

576

720

1007.4

13

8

-415.64

759.62

1044.63

17.41

0.73

901

1126

1564.9

20

9

-491.44

1296.89

1328.34

18.98

0.98

908

1135

1454.1

15

10

-499.44

1771.35

1769.50

24.24

1.00

580

725

1944.5

23

Mean

-407.97

916.58

1221.37

18.12

0.80

792.3

990.3

1498.1

17.5

SD

118.30

418.08

383.68

6.79

0.40

155.29

194.08

466.45

10.4

  1. CTmean, mean CT values; GVCT, gas volume in lung measured by CT; TVCT, tissue volume in lung measured by CT; TVI, tissue volume index for predicted body weight; g/t, ratio of gas to tissue volume; GEDI, global end-diastolic volume index for patient surface area; ITBI, intrathoracic blood volume index for patient surface area; PTV, pulmonary thermal volume; ELWI, extravascular lung water index for predicted body weight.
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