Fig 1.
Distribution of the hospital anxiety and depression scale.
HADS-A, Hospital Anxiety and Depression Scale subscore for anxiety. HADS-D, Hospital Anxiety and Depression Scale subscore for depression.
Table 1.
Clinical characteristics of patients by depression or anxiety status.
Fig 2.
Comparison of poor sleep quality and SDB between patients with and those without psychological disturbances.
(A) Depression. (B) Anxiety. SDB, sleep-disordered breathing.
Table 2.
Multiple regression analysis of determinants of depression and anxiety.
Fig 3.
The frequency of poor sleep quality in patients without psychological disturbances (none) and those with depression alone, anxiety alone, and both.