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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)