Sleep Quality and Quality of Life in COPD Patients with and without Suspected Obstructive Sleep Apnea

Table 3

Relationship between quality of sleep and obstructive sleep apnea (OSA) in studied patients.

	Patients with OSA; 𝑛=71	Patients without OSA; 𝑛=68	P value
Good sleep quality	9 (6.4%)	26 (18.7%)	<0.001
Poor sleep quality	62 (44.6%)	42 (30.2%)

∗Data are presented as number (percent).