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Table 1 Respiratory variables for ventilation of the lung model

From: Control of the expiratory flow in a lung model and in healthy volunteers with an adjustable flow regulator: a combined bench and randomized crossover study

Aperture setting

[mm]

EFmax

[ml·s−1]

Rtotal

[cmH2O·L−1·s−1]

RFR

[cmH2O·L−1·s−1]

EEPL

[cmH2O]

PLmean

[cmH2O]

BL

− 899 ± 9

5 ± 0.1

0.12 ± 0.00

5.28 ± 0.02

8.07 ± 0.01

3.150

− 809 ± 7

6 ± 0.05

1.27 ± 0.02

5.27 ± 0.03

8.12 ± 0.03

2.975

− 800 ± 8

6 ± 0.04

1.33 ± 0.02

5.27 ± 0.02

8.13 ± 0.02

2.800

− 794 ± 10

6 ± 0.07

1.41 ± 0.01

5.27 ± 0.02

8.13 ± 0.02

2.625

− 789 ± 8

6 ± 0.04

1.46 ± 0.00

5.27 ± 0.02

8.13 ± 0.02

2.450

− 780 ± 8

6 ± 0.03

1.60 ± 0.00

5.27 ± 0.02

8.14 ± 0.03

2.275

− 770 ± 9

6 ± 0.04

1.71 ± 0.01

5.27 ± 0.02

8.15 ± 0.02

2.100

− 755 ± 9

6 ± 0.07

1.88 ± 0.01

5.26 ± 0.04

8.15 ± 0.03

1.925

− 742 ± 7

6 ± 0.03

1.99 ± 0.02

5.25 ± 0.02

8.13 ± 0.03

1.750

− 724 ± 6

7 ± 0.05

2.18 ± 0.02

5.23 ± 0.03

8.12 ± 0.03

1.575

− 701 ± 4

7 ± 0.02

2.43 ± 0.03

5.22 ± 0.03

8.14 ± 0.03

1.400

− 672 ± 4

7 ± 0.05

2.76 ± 0.02

5.21 ± 0.02

8.15 ± 0.04

1.225

− 640 ± 2

7 ± 0.06

3.12 ± 0.06

5.20 ± 0.03

8.17 ± 0.01

1.050

− 604 ± 4

8 ± 0.05

3.55 ± 0.03

5.15 ± 0.02

8.17 ± 0.03

0.875

− 542 ± 4

8 ± 0.08

4.39 ± 0.11

5.11 ± 0.02

8.21 ± 0.02

0.700

− 452 ± 8

10 ± 0.12

5.88 ± 0.24

5.09 ± 0.02

8.32 ± 0.03

0.525

− 379 ± 8

11 ± 0.13

7.62 ± 0.18

5.06 ± 0.02

8.46 ± 0.05

0.350

− 328 ± 25

12 ± 0.19

10.68 ± 0.63

5.06 ± 0.02

8.78 ± 0.08

  1. Fmax maximal expiratory flow; Rtotal total airway resistance; RFR resistance of the flow regulator; EEPL end-expiratory lung pressure; PLmean mean lung pressure