Role of serum periostin in severe obstructive sleep apnea with albuminuria: an observational study.

Respir Res · 2020 · PMC7285606 · PMID 32517742

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showed a trendno p-value reported

Of the two distinct clusters of severe OSA, the cluster with comorbidities showed a trend of higher 3% ODI, compared with that in the cluster without comorbidities.

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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.