Use of Fractional Exhaled Nitric Oxide to Guide the Treatment of Asthma: An Official American Thoracic Society Clinical Practice Guideline.

Am J Respir Crit Care Med · 2021 · PMC8759314 · PMID 34779751

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did not reach statistical significanceno p-value reported

One study addressed the frequency of days missed from school or work, identifying an MD of 1.6 fewer days, but this did not reach statistical significance (95% CI, −6.01 to 2.81 d) ( 83 ).

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