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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