Respiratory rehabilitation after acute exacerbation of COPD may reduce risk for readmission and mortality -- a systematic review.

Respir Res · 2005 · PMC1164434 · PMID 15943867

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did not reach statistical significanceno p-value reported

Murphy [ 21 ] used the Medical Research Council dyspnea scale and also found that respiratory rehabilitation decreased dyspnea by 0.3 although this did not reach statistical significance (95% CI -0.92 to 0.32).

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