Table 2 Results

Primary outcome

  Cumulative OSI, mean (SD)

5.13 (1.90)

4.95 (1.72)

5.30 (2.08)

0.61

Secondary outcome

  Average number of recruitments in 12 h, mean (SD)

1.22 (0.40)

1.33 (0.22)

1.11 (0.51)

0.13

  Average number of recruitments, median (min, max), n

11 (1,21)

13 (3, 21)

8 (1, 21)

0.25

  Duration of CMV in study period, median (min, max), h

7.0 (0, 108)

7.3 (0, 55)

6.8 (0, 108)

0.87

  Duration of HFOV in study period, median (min, max), h

121 (30, 173)

127 (30, 173)

104 (34, 161)

0.56

  Total duration of CMV, median (min, max), h

82 (0, 850)

160 (0, 551)

73 (0, 850)

0.27

  Total duration of HFOV, median (min, max), h

129 (31, 445)

131 (31, 445)

107 (34, 254)

0.43

  Average^a S/F ratio, mean (SD)

256 (68)

260 (68)

251 (69)

0.71

  Average^a SpO₂, mean (SD) [%]

91.4 (0.8)

91.3 (0.9)

91.5 (0.7)

0.51

  Average^a FiO₂, mean (SD) [%]

0.43 (0.14)

0.42 (0.13)

0.43 (0.16)

0.78

  Average^a MAP, mean (SD) [mbar]

10.8 (1.2)

10.5 (1.4)

11.1 (1.0)

0.18

  Maximum MAP in LRM, median (min, max), [mbar]

19 (11, 25)

19 (11, 25)

18 (13, 24)

0.35

  Survival, n (%)

21 (70)

10 (67)

11 (73)

1.0

  BPD (I-III)^b, n (%)

18 (60)

10 (67)

8 (53)

0.71

  BPD (I-III)^b in survivors, n (%)

21 (76)

9 (90)

7 (64)

0.31

  BPD (II-III)^b in survivors, n (%)

5 (24)

4 (40)

1 (9)

0.14

  Pneumothorax, n (%)

5 (17)

3 (20)

2 (13)

1.0

  Severe intraventricular hemorrhage, n (%)

7 (23)

5 (33)

2 (13)

0.39

  Pulmonary interstitial emphysema, n (%)

4 (13)

2 (13)

2 (13)

1.0