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Table 4 Comparison of the AUC of X5 alone, FeNO alone and FeNO + X5

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

 

Cut-off value(s)

Sensitivity

Specificity

Youden index

X5 [cmH2O/(l/s)]

− 3.30

0.611

0.710

0.321

FeNO (ppb)

19.50

0.689

0.729

0.418

X5 [cmH2O/(l/s)] + FeNO (ppb)

− 4.15, 18.00

0.733

0.748

0.481

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Allergy, Asthma & Clinical Immunology

ISSN: 1710-1492

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