Yoga respiratory training improves respiratory function and cardiac sympathovagal balance in elderly subjects: a randomised controlled trial.

BMJ Open · 2011 · PMC3191432 · PMID 22021757

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a strong trendno p-value reported

Although overall quality of life did not significantly increase with time (0.052), it did show a strong trend ( figure 4 ).

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did not reach statistical significanceno p-value reported

Improvements in FVC and FEV 1 in the yoga group did not reach statistical significance compared with the control group ( table 2 ).

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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.