Table 1 (abstract A29). significant * post-hoc comparison with post SBT step. All values reported as Median [IQR]; GI = global inhomogeneity index; EELI = end expiratory lung impedance; ROI = region of interest

GI (AU)

0.71 [0.68–0.78]*

0.73 [0.66–0.78]*

0.73 [0.62–0.77]*

0.77 [0.73–0.83]

P < 0.005

Silent spaces, (%)

6.5 [4.4–10]

7.8 [5.5–13]

6.5 [4.7–13]*

13 [6.9–18]

p = 0.04

EELI (AU*10^3)

51.3 [42.2–72.2]*

50.6 [42–69.5]

50.4 [41.5–69.2]

49.9 [43.3–67.2]

p = 0.05

ROI 1 (% of TV)

14.9 [8.2–18.5]

16.7[9.3–19.8]

13[6.4–17.3]

13.3[5.6–19.6]

p < 0.0001

ROI 2 (% of TV)

32.4[30.5–37.7]

34.0[31.2–39.7]

30.7[29.3–36.3]

32.6[28.2–35.9]

p < 0.0001

ROI 3 (% of TV)

35.1[28.6–39.4]

33[29.3–39.9]

36.8[32.7–40.8]

38[31.2–40.1]

p < 0.0001

ROI 4 (% of TV)

18.2[11.6–21.7]

16.1[10.2–19.5]

20.2[14.3–22.4]

17[12.2–23.1]

p < 0.0001