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 |