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Table 1 Baseline demographic and clinical characteristics of the patients

From: Continuous assessment of neuro-ventilatory drive during 12 h of pressure support ventilation in critically ill patients

Pt #

Age

Sex

PBW (Kg)

SAPS II

Causes of ARF

MV (Days)

PSV level (cmH2O)

PEEP (cmH2O)

FiO2%

RASS

NME (cmH2O/µV)

ICU outcome

1

70

M

70

63

Septic shock

10

8

13

40

0

0.62

Alive

2

70

M

67

35

Acute post-operative respiratory failure

11

10

7

40

− 1

1.66

Alive

3

71

M

66

39

Trauma

13

8

8

50

0

1.58

Dead

4

71

M

53

39

Septic shock

2

10

6

50

0

1.92

Alive

5

69

F

60

49

Thoracic Injury

2

13

7

40

0

1.76

Dead

6

70

M

68

31

Hemorrhagic stroke

8

10

8

40

− 1

2.41

Alive

7

85

M

71

40

Drowning

5

13

7

35

− 1

1.01

Dead

8

75

F

53

43

Septic shock

7

8

5

40

− 1

0.9

Alive

9

59

M

57

27

Hemorrhagic shock

12

9

10

30

− 1

1.74

Alive

10

61

M

53

33

Septic shock

11

9

10

50

− 1

3.2

Alive

11

78

M

79

46

COPD exacerbation

5

14

5

50

0

3.45

Alive

12

84

M

67

30

Community acquired pneumonia

4

10

5

40

0

1.89

Alive

13

49

M

64

36

Septic shock

11

11

10

30

− 1

2.52

Alive

14

73

F

48

38

Acute post-operative respiratory failure

8

10

5

40

0

3.77

Alive

15

80

M

66

40

COPD exacerbation

11

9

8

50

−1

0.98

Dead

16

70

M

70

45

Septic shock

7

18

10

50

0

2.05

Alive

Mean

70.18

 

63.25

39.12

 

7.9

10.65

7.76

43.24

− 0.5

1.96

 

SD

9.38

 

8.4

8.64

 

3.5

2.60

2.28

8.09

0.52

0.9

 
  1. PBW = predicted body weight; SAPS II = Simplified Acute Physiology score II. The score can range from 0 to 163, with higher scores indicating a higher probability of death; ARF = acute respiratory failure; MV = mechanical ventilation; PSV level = pressure support ventilation level; PEEP = positive end-expiratory pressure; FiO2 = inspiratory oxygen fraction; RASS = Richmond Agitation Sedation Scale; ICU = intensive care unit; COPD = chronic obstructive pulmonary disease