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Table 1 Parameters used for simulation of patient data

From: On the practical identifiability of a two-parameter model of pulmonary gas exchange

Patient no. (j)

f S

f A

High \(\dot{V}/Q\)

Low \(\dot{V}/Q\)

PaO 2 /FiO 2-ratio

Classification of impairment

1

0.05

0.90

1.15

1.15

412

Healthy

2

0.10

0.70

3.64

0.94

303

Mild

3

0.15

0.70

3.85

1.00

227

Mild

4

0.20

0.70

4.09

1.06

169

Moderate

5

0.20

0.50

6.82

0.76

162

Moderate

6

0.25

0.50

7.27

0.81

123

Moderate

7

0.25

0.30

10.18

0.48

114

Moderate

8

0.30

0.50

7.79

0.87

95

Severe

9

0.30

0.30

10.91

0.52

89

Severe

10

0.35

0.50

8.39

0.93

74

Severe

11

0.35

0.30

11.75

0.56

72

Severe

12

0.35

0.15

14.27

0.28

70

Severe

  1. Parameter values for shunt fraction f s and fraction of ventilation distribution f A as well as the resulting \(\dot{V}/Q\)-ratios are shown. Classification of pulmonary state is based upon \(\dot{V}/Q\)-ratio and PaO 2/FiO 2-ratio [24]