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Table 3 Patient characteristics according to weaning outcome

From: Respective contribution of intensive care unit-acquired limb muscle and severe diaphragm weakness on weaning outcome and mortality: a post hoc analysis of two cohorts

 

Weaning failure n = 69 (59%)

Weaning success n = 47 (41%)

p

Men, n (%)

44 (75)

33 (70)

0.554

Age, years

60 (52–71)

57 (67–41)

0.041

Body mass index, kg/m2

24 (22–28)

24 (22–28)

0.673

Medical conditions

 Chronic heart failure, n (%)

9 (13)

8 (17)

0.607

 COPD, n (%)

13 (19)

4 (9)

0.188

Reason for ICU admission

 Shock, n (%)

23 (32)

14 (30)

0.845

 Coma, n (%)

10 (17)

17 (36)

0.032

 Acute respiratory failure, n (%)

36 (51)

16 (34)

0.141

On admission

 SOFA

7 (4–11)

5 (4–8)

0.777

 Sepsis on admission, n (%)

44 (64)

33 (70)

0.473

At inclusion

 MV before inclusion, days

7 (4–12)

3 (1–5)

< 0.001

Muscle assessment

 Severe ICU-DD, n (%)

57 (83)

22 (47)

< 0.001

 Ptr,stim, cmH2O

6.7 (3.5–8.4)

11.3 (7.7–15.8)

< 0.001

 ICU-AW, n (%)

49 (71)

17 (36)

< 0.001

 MRC score

36 (30–50)

52 (44–58)

0.014

  1. Data are expressed as median (interquartile range) or n (%)
  2. COPD chronic obstructive pulmonary disease, SOFA Sequential Organ Failure Assessment, MV mechanical ventilation, Ptr,stim endotracheal tube pressure induced by bilateral phrenic nerve stimulation during airway occlusion, S-ICU-DD severe intensive care unit-acquired diaphragm dysfunction, ICU-AW intensive care unit-acquired weakness, MRC Medical Research Council