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Table 1 Clinical characteristics of patients with ARDS and control subjects

From: Surfactant disaturated-phosphatidylcholine kinetics in acute respiratory distress syndrome by stable isotopes and a two compartment model

 

ARDS N = 12

CONTROLS N = 7

p

Body Weight (kg)

74 ± 16

58 ± 12

0.05

Age (years)

60 ± 16

50 ± 23

0.37

Mechanical Ventilation (days)

23 ± 16

81 ± 129

0.21

Mechanical Ventilation at the start of the study (days)

2.6 ± 2

69 ± 132

0.23

Male/Female (number)

8/4

3/4

0.324

Survival (alive/total number)

4/12

7/7

0.006

Mean FiO2 (percentage)

60 ± 16

24 ± 14

<0.001

Mean PEEP (cm H2O)

7.7 ± 1.8

1.3 ± 0.2

<0.001

Mean AaDO2 §

283 ± 129

52 ± 38

<0.001

Mean PaO2/FiO2*

162 ± 50

382 ± 79

<0.001

  1. § AaDO2 = Mean Alveolar-arterial oxygen gradient during the study
  2. * PaO2/FiO2 = PaO2/FiO2 ratio during the study period
  3. Data is presented as mean ± SD