Effectiveness of twice daily azelastine nasal spray in patients with seasonal allergic rhinitis.

Ther Clin Risk Manag · 2008 · PMC2621402 · PMID 19209282

Europe PMC DOI

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failed to reach statistical significanceno p-value reported

Although an earlier study showed an improvement in rhinitis symptoms versus placebo with azelastine 1 spray per nostril twice daily, this improvement failed to reach statistical significance.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.