Sleep hypoventilation and daytime hypercapnia in stable chronic obstructive pulmonary disease.

Int J Chron Obstruct Pulmon Dis · 2014 · PMC3942118 · PMID 24600219

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an increasing trendno p-value reported

As illustrated in Figure 2 , the median of mean ΔP tc CO 2 showed an increasing trend with deeper NREM sleep, and with the highest values in REM sleep, both in the non-SH group and in the SH group.

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