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Table 1 Main characteristics of the patients

From: Prone positioning improves ventilation–perfusion matching assessed by electrical impedance tomography in patients with ARDS: a prospective physiological study

Patient NO

Sex (M/F)

Height (cm)

BMI (kg/m2)

Comorbidities

APACHE II score at ICU admission

PaO2/FiO2 at baseline (mm Hg)

PEEP (cmH2O)

MV duration before enrollment (d)

Duration of prone positioning (h)

ARDS etiology

1

M

178

25

Hypertension

33

83

10

1

12

Pneumonia

2

M

173

26

None

11

123

8

3

17

Pneumonia

3

F

162

35

Hypertension; immunodeficiency

9

51

14

1

18.5

Septic shock

4

M

165

24

Hypertension; diabetes

19

81

11

4

16

Postoperative respiratory failure

5

M

164

23

Hypertension; atrial fibrillation

15

97

8

4

18.5

Pneumonia

6

M

182

21

None

2

97

8

5

16

Pneumonia

7

M

170

21

None

7

140

5

2

15.5

Postoperative respiratory failure

8

M

168

26

Hypertension; asthma

11

96

5

7

12

Pneumonia

9

M

170

19

Hypertension

23

64

12

2

16.5

Pneumonia

10

M

163

23

Hypertension

8

122

12

3

12.5

Septic shock

Summary

9M/1F

169.5 ± 6.6

24 ± 4

 

14 ± 9

95.4 ± 27

9.3 ± 3.02

3.2 ± 1.8

15.45 ± 2.5

 
  1. M, male; F, female; BMI, Body Mass Index; APACHE-II, Acute Physiology and Chronic Health Evaluation II; ICU, intensive care unit; PaO2/FiO2, arterial partial pressure of O2/inspired fraction of O2 ratio; PEEP, positive end-expiratory pressure; MV, mechanical ventilation; ARDS, acute respiratory distress syndrome