Table 2

Demographics, baseline patient characteristics and outcomes of ARDS and non-ARDS patients stratified by lung water content


Non-ARDS
ARDS



Low EVLW (n = 6)
High EVLW (n = 8)
P
Low EVLW (n = 4)
High EVLW (n = 11)
P

EVLW (ml/kg)
5.0 (4.8–8.1)
7.7 (5.0–8.7)
NS
9.0 (8.0–9.8)
16.0 (13.0–20.3)
0.07
Source (n [% pulmonary])
2/6 (33%)
3/8 (38%)
NS
3/4 (75%)
8/11 (73%)
NS
APACHE II score
27.8 ± 2.3
27.6 ± 11.6
NS
18.5 ± 3.3
25.9 ± 6.3
0.05
PaO2/FiO2 index (mmHg)
424.0 ± 51.7
244.3 ± 133.9
0.02
91.5 ± 24.6
144.9 ± 89.9
NS
LIS
0.8 ± 0.2
0.9 ± 0.9
NS
2.6 ± 1.7
2.7 ± 1.1
NS
CXR score
0.5 (0–1)
1 (0–2)
NS
3 (2–4)
4 (3–4)
NS
GEDV index (ml/m2)
750.5 ± 133.6
691.3 ± 108.1
NS
581.5 ± 131.4
671.8 ± 200.0
NS
Fluid balance (prior 24 hours; ml)
5256 ± 4918
4664 ± 1591
NS
2373 ± 776
2545 ± 2959
NS
Chronic alcohol abuse (n [%])
4/6 (67%)
4/8 (50%)
NS
0/4 (0%)
5/11 (45%)
0.09
28-Day mortality (n [%])
1/6 (17%)
4/8 (50%)
0.20
0/4 (0%)
7/11 (64%)
0.03

Extravascular lung water (EVLW), Acute Physiology and Chronic Health Evaluation (APACHE) II, arterial oxygen tension (PaO2)/fractional inspired oxygen (FiO2) ratio, Lung Injury Score (LIS), and chest radiographic (CXR) score are initial values calculated from study day 1. Values are expressed as means ± standard deviation or as median (interquartile range). ARDS, acute respiratory distress syndrome.

Martin et al. Critical Care 2005 9:R74   doi:10.1186/cc3025