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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.