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Table 2 Clinical Outcomes in relation to baseline and change echodensity over time

From: Diaphragm echodensity in mechanically ventilated patients: a description of technique and outcomes

Outcome Population Relation with baseline ED50 Relation with change in ED50 from baseline
n = 34 Coefficient CI 95% p  ≤ 10-point change in ED50, n = 21 (62%)  > 10-point increase in ED50, n = 13 (38%) p
Duration of ventilation (in ICU survivors), d 7 (4–11) − 0.004 (− 0.02; 0.01) 0.55 5 (4–10) 10 (8–14) 0.10
Ventilator-free days to Day 60, d 51 (36–56) − 0.001 (− 0.01; 0.01) 0.78 53 (49–56) 46 (0–52) 0.03
Duration of ICU admission (in ICU survivors), d 10 (5–15) − 0.002 (− 0.02; 0.01) 0.72 10 (4–15) 11 (10–15) 0.18
Duration of hospitalization (in hospital survivors), d 26 (17–54) 0.003 (− 0.01; 0.01) 0.44 26 (16–53) 27.5 (22–72) 0.46
Maximal thickening fraction at first SBT (%), mean (SD) 29 (16) 0.001 (− 0.03; 0.03) 0.83 33 (18) 26 (13) 0.26
Complications of acute respiratory failure, n (%) 15 (44) 0.02 (− 0.01; 0.05) 0.27 7 (33) 8 (61) 0.21
Reintubation, n (%) 3 (9) − 0.006 (− 0.07; 0.03) 0.81 1 (5) 2 (15) 0.66
Tracheostomy, n (%) 9 (26) 0.02 (− 0.01; 0.05) 0.28 5 (24) 4 (31) 0.96
Mechanical ventilation > 7 d, n (%) 18 (53) 0.02 (− 0.01; 0.05) 0.19 7 (33) 11 (85) 0.01
Readmission to ICU during same hospital admission, n (%) 1 (3) − 0.04 (− 0.23; 0.04) 0.53 0 (0) 1 (8) 0.81
Death in ICU, n (%) 6 (18) 0.009 (− 0.02; 0.04) 0.55 2 (10) 4 (31) 0.26
Death in hospital, n (%) 7 (21) 0.01 (− 0.02; 0.04) 0.47 2 (10) 5 (38) 0.11
  1. All numerical distributions are reported as median (interquartile range)