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Distribution of sputum inflammatory phenotypes in patients with, or without, detectable virus at exacerbation (n.s.). Paucigranulocytic (< 3% eosinophils & < 61% neutrophils), eosinophilic (≥ 3% eosinophils & < 61% neutrophils), neutrophilic (< 3% eosinophils & ≥ 61% neutrophils), mixed granulocytic (≥ 3% eosinophils & ≥ 61% neutrophils).
