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Table 3 Patient-specific constant lung elastance (E lung ) at different PEEP.

From: Model-based PEEP optimisation in mechanical ventilation

Patient Constant Lung Elastance, E lung (cmH 2 O/l) E lung (cmH 2 O/l)
Median [IQR]
APE
(%)
Median [IQR]
  PEEP ( cmH 2 O )   
  0 5 10 15 20 25 30   
1 53.8 47.0 41.2 32.8 32.8 32.1 PEEP 27
32.2
34.7
[32.4-45.5]
7.2
[1.7-19.0]
2 27.7 25.3 22.8 22.3 22.6 PEEP 22
23.1
  23.0
[22.6-25.3]
2.5
[1.1-7.7]
3 24.0 21.6 18.3 17.3 17.4 18.1 PEEP 28
19.1
18.3
[17.6-20.9]
4.2
[1.6-6.6]
4 60.2 59.7 50.1 35.1 27.8 25.3 22.5 35.1
[25.9-57.3]
17.7
[15.4-32.1]
5 87.4 84.0 81.2 74.3 65.7 53.1   77.8
[65.7-84.0]
15.7
[9.2-19.8]
6 27.1 25.5 22.8 21.6 21.8 23.4   23.1
[21.8-25.5]
2.7
[2.2-4.2]
7 47.7 42.5 45.5 55.7 PEEP 16
55.3
   47.7
[44.8-55.4]
6.2
[5.0-7.7]
8 41.7 35.5 31.2 28.7 27.5 26.6 27.0 28.7
[27.2-34.4]
2.9
[1.3-8.7]
9 51.3 39.1 38.2 31.1 28.2 26.2 26.1 29.7
[26.2-38.7]
3.1
[1.0-10.8]
10 51.0 44.1 39.2 35.8 33.9 34.0 PEEP 27
34.2
35.8
[34.1-42.9]
2.0
[1.0-5.6]
Median [IQR] 49.4
[27.7-53.8]
40.8
[25.5-47.0]
38.7
[22.8-45.5]
31.9
[22.3-35.5]
28.0*
[22.6-33.9]
26.2*
[23.3-32.6]
26.6*
[22.5-32.2]
32.2
[25.0-45.9]
5.6
[1.8-11.3]
  1. Eg. PEEP 16 is included in PEEP 20 Median [IQR]
  2. *Values presented include value from different PEEP. Eg. PEEP 16 is included in PEEP 20 Median [IQR]