Table 3.
Comparison of the Pittsburgh Sleep Quality Index (PSQI) between patients with different levels of asthma control.
| PSQI items | Asthma control levels | p value | ||
|---|---|---|---|---|
| Well-controlled N = 67 |
Partially controlled N = 55 |
Uncontrolled N = 78 |
||
| PSQI > 5, n (%) | 25 (37%) | 43 (78%) | 64 (82%) | < 0.001 |
| Global PSQI (0–21) | 5.12 ± 3.2 | 9.07 ± 3.9 | 9.69 ± 3.9 | < 0.001 |
| PSQI domains (0–3) | ||||
| Subjective sleep quality | 0.7 ± 0.89 | 1.29 ± 0.94 | 1.69 ± 0.68 | < 0.001 |
| Sleep latency | 0.82 ± 1.0 | 1.53 ± 0.92 | 1.64 ± 0.98 | < 0.001 |
| Sleep duration | 1.06 ± 1.14 | 1.78 ± 1.23 | 1.51 ± 1.26 | 0.004 |
| Sleep efficiency | 0.61 ± 0.89 | 1.45 ± 1.3 | 1.21 ± 1.25 | < 0.001 |
| Sleep disturbances | 1.13 ± 0.63 | 1.53 ± 0.6 | 1.85 ± 0.58 | < 0.001 |
| Use of sleeping medication | 0.07 ± 0.4 | 0.22 ± 0.7 | 0.38 ± 0.9 | 0.035 |
| Daytime dysfunction | 0.72 ± 0.97 | 1.27 ± 1.0 | 1.41 ± 0.97 | < 0.001 |
PSQI Pittsburgh Sleep Quality Index.