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Table 4 Patient characteristics according to 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

  Survivors n = 95 (82%) Non-survivors n = 21 (18%) p
Men, n (%) 62 (65) 15 (71) 0.588
Age, years 57 (48–67) 65 (56–75) 0.035
Body mass index, kg/m2 24 (21–28) 25 (22–29) 0.282
Medical conditions
 Chronic heart failure, n (%) 13 (14) 4 (19) 0.529
 COPD, n (%) 13 (14) 4 (19) 0.529
Reason for ICU admission
 Shock, n (%) 29 (32) 8 (33) 0.876
 Coma, n (%) 25 (28) 2 (14) 0.181
 Acute respiratory failure, n (%) 41 (43) 11 (52) 0.442
On admission
 SOFA 5 (4–9) 8 (4–15) 0.100
 Sepsis admission 61 (64) 16 (76) 0.293
At inclusion
 MV before inclusion, days 5 (2–9) 7 (5–12) 0.056
Muscle assessment
 S-ICU-DD, n (%) 34 (36) 14 (67) 0.009
 Ptr,stim, cmH2O 8.4 (5.7–13.0) 4.1 (2.8–8.4) 0.001
 ICU-AW, n (%) 48 (50) 18 (86) 0.005
 MRC score 47 (35–55) 32 (19–51) < 0.0001
  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