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

Table 1

Major characteristics of the studied patients divided by severity of their disease.

	Mild; 𝑛=39	Moderate; 𝑛=58	Severe; 𝑛=42
Age*	59.4±12.7	63.6±9.4	68.3±8.3
Sex**
Male	25 (17.9%)	37 (26.6%)	27 (19.4%)
Female	14 (10.1%)	21 (15.1%)	15 (10.8%)
Body mass index (Kg/m^2)*	27.3±2.6	25.3±4.1	24.4±3.2
FEV1 (liter)*	1.98±0.7	1.43±1.1	1.21±1.3
ESS scores*	9.1±1.4	12.8±0.9	14.7±2.1
PSQI scores*	7.5±1.2	6.9±0.9	9.1±1.5
Quality of life (total)*	43.5±12.5	49.1±9.4	53.9±14.2
Symptoms*	47.6±9.3	53.4±8.3	58.9±13.2
Activity*	57.3±8.9	63.7±12.6	60.8±11.3
Impact*	38.4±9.3	41.3±7.9	43.2±8.7
Number of patients suspected to OSA**	15 (21.1%)	25 (35.2%)	31 (43.6%)

∗Data are presented as mean ± standard deviation (SD). **Data are presented as number (percentage).