Table 1 Change in diaphragm thickness and outcomes during controlled and assisted mechanical ventilation

Unchanged during CMV (n = 29)

Thinning during CMV (n = 33)

p

Cohen’s h (95% CI)

ICU survival, n (%)

25/29 (86.2%)

31/33 (93.9%)

0.304

Hospital survival, n (%)

25/29 (86.2%)

31/33 (93.9%)

0.304

CMV (days)

5.0 [4.0, 8.5]

10.0 [5.0, 15.0]

0.004

AMV (days)

10.0 [6.0, 17.0]

8.0 [4.0, 13.0]

0.390

CMV days on total MV (%)

34.8 [27.9, 50.0]

55.6 [39.4, 71.8]

0.001

ICU length of stay (days)

21.0 [14.5, 27.0]

23.0 [15.0, 36.0]

0.311

Unchanged during AMV (n = 33)

Recovery of thickness during AMV (n = 28)

p

ICU survival, n (%)

31/33 (93.9%)

25/28 (89.3%)

0.509

Hospital survival, n (%)

31/33 (93.9%)

25/28 (89.3%)

0.509

CMV (days)

8.0 [4.5, 13.0]

8.0 [5.0, 13.0]

0.822

AMV (days)

9.0 [5.0, 16.0]

10.0 [4.3, 14.8]

0.913

AMV days on total MV (%)

55.0 [42.0, 68.0]

50.0 [31.0, 71.0]

0.519

ICU length of stay (days)

22.0 [14.0, 34.0]

23.0 [16.0, 29.0]

0.812