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Table 2 Transpulmonary thermodilution data during the study period according to survival at day 28

From: Early-phase changes of extravascular lung water index as a prognostic indicator in acute respiratory distress syndrome patients

Patient characteristics

Survivors (n = 133)

Non-survivors (n = 59)

pvalue

GEDVi on day 0, mL/m2

825 ± 212

808 ± 199

0.58

Mean GEDVi for 3 days, mL/m2

835 ± 197

832 ± 191

0.92

Maximum GEDVi, mL/m2

937 ± 251

932 ± 216

0.90

Day of maximum GEDVi measurement, n (%)

  

0.45

 Day 0

40 (30.1)

18 (30.5)

 

 Day 1

45 (33.8)

15 (25.4)

 

 Day 2

48 (36.1)

26 (44.1)

 

Δ-GEDVi, mL/m2

−29 ± 198

−63 ± 199

0.26

EVLWi on Day 0, mL/kg

18.4 ± 6.7

18.3 ± 6.5

0.90

Mean EVLW for 3 days, mL/kg

17.0 ± 5.4

18.5 ± 7.2

0.11

Maximum EVLW, mL/kg

20.7 ± 7.3

21.8 ± 9.2

0.36

Day of maximum EVLWi measurement, n (%)

  

0.14

 Day 0

64 (48.1)

21 (35.6)

 

 Day 1

49 (36.8)

23 (39.0)

 

 Day 2

20 (15.0)

15 (25.4)

 

Δ-EVLWi, mL/kg

3.0 ± 7.4

−0.3 ± 7.6

0.006

PVPI on Day 0

3.2 ± 1.3

3.2 ± 1.4

0.98

Mean PVPI for 3 days

2.9 ± 1.0

3.1 ± 1.3

0.21

Maximum PVPI

3.6 ± 1.4

3.8 ± 1.8

0.40

Day of maximum PVPI measurement, n (%)

  

0.17

 Day 0

76 (57.1)

25 (42.4)

 

 Day 1

36 (27.1)

22 (37.3)

 

 Day 2

21 (15.8)

12 (20.3)

 

Δ-PVPI

0.6 ± 1.3

0.2 ± 1.4

0.06

  1. EVLWi, extravascular lung water index; GEDVi, global end-diastolic volume index; PVPI, pulmonary vascular permeability index; Δ-EVLWi, reduction in EVLWi from day 2 to day 0; Δ-GEDVi, reduction in GEDVi from day 2 to day 0; Δ-PVPI, reduction in PVPI from day 2 to day 0.