Table 4 Sleep component scores based on the PSQI in patients with COPD
From: Factors responsible for poor sleep quality in patients with chronic obstructive pulmonary disease
Components | Mean ± SD |
|---|---|
Sleep quality | 0.97 ± 0.75 |
Sleep latency | 1.16 ± 1.09 |
Sleep duration | 1.11 ± 0.94 |
Sleep efficiency | 0.73 ± 1.04 |
Sleep disturbance | 1.50 ± 0.59 |
Use of sleeping medication | 0.47 ± 1.03 |
Daytime dysfunction | 0.48 ± 0.66 |