In addition, the likelihood of death was higher in the OSA/COPD overlap syndrome group compared with the COPD alone group; although this did not reach statistical significance (adjusted HR =1.5, P =0.160).
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Obstructive sleep apnea, COPD, the overlap syndrome, and mortality: results from the 2005-2008 National Health and Nutrition Examination Survey.
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0.1600
0.1600