Skip to main content

Table 4 Gas exchange, respiratory mechanics and computed tomography scan variables within focal and diffuse group divided according to the radiological pattern

From: Radiological pattern in ARDS patients: partitioned respiratory mechanics, gas exchange and lung recruitability

Characteristics

Recruiters

Non recruiters

p

Focal ARDS group, n (%)

13 (22)

45 (78)

 

Driving Pressure (cmH2O)

9 [8 to 10]

13 [9 to 15]

0.003

PaO2/FiO2 (mmHg)

149 ± 40

165 ± 49

0.238

Δ15–5 Driving Pressure (cmH2O)

1 ± 1

0 ± 3

0.048

Δ15–5 PaO2/FiO2 (mmHg)

41 ± 48

32 ± 34

0.554

Total lung weight (g)

1158 [1074 to 1237]

1242 [1033 to 1398]

0.685

Overinflation (%)

6.5 [2.6 to 9.6]

3.8 [1.8 to 7.5]

0.304

Not aerated lung tissue (g)

503 [451 to 625]

434 [359 to 624]

0.208

Diffuse ARDS group, n (%)

71 (65)

39 (35)

 

Driving Pressure (cmH2O)

14 ± 4

14 ± 4

0.659

PaO2/FiO2 (mmHg)

104 [75 to 139]

131 [106 to 168]

0.001

Δ15–5 Driving Pressure (cmH2O)

− 1 [− 2 to 1]

0 [− 2 to 1]

0.500

Δ15–5 PaO2/FiO2 (mmHg)

58 [32 to 108]

62 [30 to 95]

0.672

Total lung weight (g)

1660 [1381 to 2092]

1541 [1390 to 1948]

0.320

Overinflation (%)

0.3 [0.0 to 0.8]

0.5 [0.1 to 1.2]

0.223

Not aerated lung tissue (g)

977 [652 to 1287]

614 [437 to 967]

 < 0.001

  1. Continuous data are expressed as mean (SD) or median [interquartile range]. Student t test or Mann–Whitney rank-sum test, were used as appropriate