Clinical impact of routine sleep assessment by peripheral arterial tonometry in patients with COPD.

ERJ Open Res · 2023 · PMC10123515 · PMID 37101736

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a statistical trendno p-value reported

Associations between sleep apnoea and daytime arterial P aO 2 were weaker; only AHI all night and AHI-non-REM showed a statistical trend for a negative association ( table 4 ).

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