Vitamin D supplementation during rehabilitation in COPD: a secondary analysis of a randomized trial.

Respir Res · 2012 · PMC3493348 · PMID 23006613

Europe PMC DOI

hedged sentences

0.1600

closest p · 3.2× alpha

0.1600

boldest claim

The sentences

a positive trendp=0.16not close (p > 0.1)

We found no statistical significant difference, although a positive trend in favor of the vitamin D group was observed for the dyspnea item (Δ7.0±5.2 in the vitamin D group vs Δ5.5±3.9 in the placebo group; p=0.16) Discussion The present study is the first placebo controlled intervention study exploring the effect of supplementation with high doses of vitamin D in a 3 month rehabilitation program in patients with COPD.

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did not reach statistical significanceno p-value reported

There was a similar trend towards higher quadriceps strength, six minutes walking distance and dyspnea scores, but these effects did not 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.