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Table 1 Patient characteristics at baseline.

From: Preliminary study of ventilation with 4 ml/kg tidal volume in acute respiratory distress syndrome: feasibility and effects on cyclic recruitment - derecruitment and hyperinflation

Patient number

APACHE II

SOFA

PEEP (cmH2O)

Vt

(ml/kg)

PaO2/FiO2

ARDS onset (days)

Minute ventilation (L/min)

Etiology

1

17

6

16

3.9

148

0

11.1

H1N1

2

5

15

16

6.0

71

0

10.6

Sev Pn

3

23

9

12

9.6

197

0

7.3

Asp

4

23

11

10

6.0

254

0

7.0

H1N1

5

14

9

10

6.1

280

0

9.3

Sev Pn

6

22

17

12

5.6

148

0

8.6

AH

7

29

12

14

7.0

123

0

7.9

Asp

8

15

3

10

6.5

142

0

7.9

H1N1

9

4

3

14

6.0

148

0

7.4

Asp

10

24

15

12

7.6

265

1

8.6

Sev Pn

min

4

3

10

3.9

71

0

7.3

 

max

29

17

16

9.6

280

1

11.1

 

median

20

10

12

6.0

148

0

8.2

 
  1. AH, alveolar hemorrhage; APACHE II, Acute Physiology and Chronic Health Evaluation II; ARDS, acute respiratory distress syndrome; Asp, aspiration; H1N1, influenza A H1N1; max, maximal value; min, minimal value; PaO2/FiO2, the ratio of partial pressure of oxygen in arterial blood and fraction of inspired oxygen; PEEP, positive end-expiratory pressure; Sev Pn, severe pneumonia; SOFA, sequential organ failure assessment; Vt, tidal volume.