Table 6 The distribution of sleep disturbances among patients with COPD based on 2011 GOLD classification
From: Factors responsible for poor sleep quality in patients with chronic obstructive pulmonary disease
Items reporting ≥ 3 times per week | GOLD group A | GOLD group B | GOLD group C | GOLD group D | P-value |
|---|---|---|---|---|---|
N (%) | N (%) | N (%) | N (%) | ||
Wake up at night or early morning | 15 (25.0 %) | 70 (46.7 %) | 10 (29.4 %) | 57 (42.9 %) | 0.015 |
Get up to use the bathroom | 37 (61.7 %) | 114 (76.0 %) | 19 (55.9 %) | 95 (71.4 %) | 0.047 |
Cannot breathe comfortably | 0 (0.0 %) | 11 (7.3 %) | 2 (5.9 %) | 15 (11.3 %) | 0.050 |
Cough or snore loudly | 8 (13.3 %) | 21 (14.0 %) | 4 (11.8 %) | 27 (20.3 %) | 0.383 |
Feel too cold | 0 (0.0 %) | 4 (2.7 %) | 0 (0.0 %) | 2 (1.5 %) | 0.452 |
Feel too hot | 0 (0.0 %) | 4 (2.7 %) | 0 (0.0 %) | 3 (2.3 %) | 0.487 |
Bad dreams | 4 (6.7 %) | 26 (17.3 %) | 1 (2.9 %) | 14 (10.5 %) | 0.035 |
Pain | 1 (1.7 %) | 9 (6.0 %) | 2 (5.9 %) | 8 (6.0 %) | 0.597 |