Three-month treatment response and exacerbation in chronic obstructive pulmonary disease.

J Korean Med Sci · 2015 · PMC4278027 · PMID 25552883

Europe PMC DOI

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The sentences

a weak trendno p-value reported

Although it was not statistically significant, it had a weak trend that the known risk factors be positive predictors to future exacerbation in our result.

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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.