Skip to main content

Table 5 The distribution of sleep disturbances among patients with COPD based on 2007 GOLD classification

From: Factors responsible for poor sleep quality in patients with chronic obstructive pulmonary disease

Items reporting ≥ 3 times per week GOLD Stage 1 GOLD Stage2 GOLD Stage 3 GOLD Stage 4 P-value
N (%) N (%) N (%) N (%)
Wake up at night or early morning 29 (42.6 %) 66 (41.0 %) 43 (35.0 %) 14 (56.0 %) 0.240
Get up to use the bathroom 45 (66.2 %) 118 (73.3 %) 80 (65.0 %) 22 (88.0 %) 0.085
Cannot breathe comfortably 2 (2.9 %) 11 (6.8 %) 11 (8.9 %) 4 (16.0 %) 0.161
Cough or snore loudly 10 (14.7 %) 23 (14.3 %) 21 (17.1 %) 6 (24.0 %) 0.628
Feel too cold 0 (0.0 %) 4 (2.5 %) 2 (1.6 %) 0 (0.0 %) 0.508
Feel too hot 0 (0.0 %) 4 (2.5 %) 2 (1.6 %) 1 (4.0 %) 0.512
Bad dreams 9 (13.2 %) 21 (13.0 %) 13 (10.6 %) 2 (8.0 %) 0.829
Pain 3 (4.4 %) 8 (5.0 %) 7 (5.7 %) 2 (8.0 %) 0.910