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Table 1 Respiratory mechanics, blood gases and VD/VT.

From: Microcirculatory alterations are associated with pulmonary dead-space fraction in moderate and severe ards

 

All

Survivors

Non-Survivors

p

VT (ml/kg)

6.5 (6.2 - 6.9)

6.5 (6.2 - 6.9)

6.6 (6.1 - 7.5)

0.47

RR

24 (20 - 26)

24 (22 - 27)

24 (20 - 26)

0.44

PEEP

12 (10 - 14)

12 (10 - 14)

14 (10 - 15)

0.19

Pplat-RS

25 (24 - 30)

28 (24 - 32)

31 (28 - 34)

0.09

VT/C-RS

14 (17 - 19)

16 (14 - 18)

17 (14 - 21)

0.44

PaO2/FiO2

120.6 (89.6 - 157.1)

122.5 (92.3 - 178.4)

116.1 (83.6 - 138.8)

0.11

PaCO2

48.5 (37.9 - 56.7)

41.2 (34.4 - 55.1)

51.8 (43.7 - 61.8)

0.05

pH

7.27 (7.21 - 7.31)

7.30 (7.25 - 7.33)

7.23 (7.14 - 7.29)

0.01

VD/VT

39 (31 - 46)

35 (29 - 39)

46 (36 - 49)

0.001