Research Article

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

Table 2

Sleep quality, quality of life, and sleepiness in studied patients with or without obstructive sleep apnea (OSA).

ā€‰Patients with OSA
Patients without OSA
P value

PSQI scores* <0.001
Quality of life* <0.001
Symptoms* <0.001
Activity* 0.002
Impact* <0.001
ESS scores* 0.005

Data are presented as mean standard deviation (SD).