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Table 2 Comparison of FeNO and IOS indices between the CVA group and nCVA group (\(\overline{x} + s\))

From: Validity of fractional exhaled nitric oxide and small airway lung function measured by IOS in the diagnosis of cough variant asthma in preschool children with chronic cough

Index

CVA group

nCVA group

P

FeNO (ppb)

29.07 ± 15.56

16.64 ± 7.15

 < 0.001

Z5 [cmH2O/(l/s)]

11.22 ± 2.47

10.85 ± 1.96

0.245

R5 [cmH2O/(l/s)]

10.31 ± 2.26

10.06 ± 1.86

0.394

X5 [cmH2O/(l/s)]

− 4.22 ± 1.12

− 3.64 ± 0.78

 < 0.001

R20 [cmH2O/(l/s)]

5.48 ± 1.35

5.53 ± 1.39

0.806

Fres (l/s)

19.68 ± 2.17

20.18 ± 2.08

0.100

AX (cmH2O/l)

33.90 ± 12.76

31.84 ± 10.12

0.207

  1. FeNO (ppb), Z5 [cmH2O/(l/s)], R5 [cmH2O/(l/s)], R20 [cmH2O/(l/s)], X5 [cmH2O/(l/s)], Fres (l/s) and AX (cmH2O/l)
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Allergy, Asthma & Clinical Immunology

ISSN: 1710-1492

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