Table 1 Characteristics of the studied population included within each cluster

n [%]

94

46 [47%]

48 [50%]

Female, n [%]

24 [26%]

12 [26%]

12 [25%]

n.s.

Age, years

61 [53, 68]

63 [53, 70]

60 [51, 65]

n.s.

BMI

31 [27–36]

31 [26–38]

31 [28–35]

n.s.

SAPSII

39 [30, 45]

41 [34, 47]

33 [29, 42]

0.011

Vasopressor, n [%]

69 [71%]

31 [67%]

35 [73%]

n.s.

VT at inclusion, ml·kg^-1 PBW

3.50 [1.97, 4.70]

3.31 [0.94, 4.61]

3.98 [2.67, 4.73]

n.s.

PEEP, cmH₂O

10 [5, 14]

10 [8, 15]

10 [5, 13]

n.s.

PEEP_{tot, rs,} cmH₂O

10 [7, 15]

11 [8, 15]

10 [7, 14]

n.s.

P_{plat, rs}, cmH₂O

20 [17, 22]

20 [17, 22]

21 [17, 23]

n.s.

ΔP_rs, cmH₂O

9 [7, 12]

9 [6, 11]

10 [8, 12]

n.s.

PaO₂/FIO₂ *

85 [70–108]

78 [65–91]

88 [74–123]

0.014

pH

7.38 [7.32, 7.45]

7.38 [7.30, 7.45]

7.38 [7.36, 7.45]

n.s.

ECMO

24 (26%)

13 (28%)

11 (23%)

0.6

VFD m [SD]

31 [35]

0 [0]

60 [25]

< 0.001

C_rs

33.7 [25.0–45.3]

31.8 [24.8–46.3]

35.2 [25.9–44.7]

0.5