Table 3.

Life quality differences between COPD cohorts with or without risk of OSA symptoms

Life quality metrics	OSA symptoms risk status		P-valuea
	With	Without
Impaired work performance	1.5±1.52	0.8±1.34	0.002
Work days absent due to respiratory symptoms	1.2±4.45	1.1±8.66	0.955
Impaired leisure activities	1.3±1.60	0.5±1.08	<0.001
Impaired social interaction	1.0±1.52	0.5±1.12	0.004

Note:

^aIndependent-sample t-test.

Abbreviation: OSA, obstructive sleep apnea.