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Article

Cutoff point for exhaled nitric oxide corresponding to 3% sputum eosinophils.

Journal of investigational allergology & clinical immunology - 1 Jan 2015

Alvarez-Puebla M J, Olaguibel Rivera J M, Almudevar E, Echegoyen A A, de Esteban Chocarro B, Cambra K

Abstract excerpt

BACKGROUND: The eosinophilic asthma phenotype (sputum eosinophils 3%) indicates a good response to corticosteroids and T(H)2 immunomodulators. Exhaled nitric oxide (FeNO) is rapidly measured by portable devices, and although it is not a selective marker of eosinophilic inflammation, several studies have demonstrated a strong correlation with it. We investigated which FeNO value was the best fit with 3% sputum...

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PMID: 25997303

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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