Table 3. [Sleep study] Patient demographics and univariate comparisons of clinical parameters.
| Control | Glaucoma | P-valueA | |
|---|---|---|---|
| No. subjects | 61 | 32 | |
| Age (years) | 66.2 ± 8.2 | 67.3 ± 8.0 | n.s. |
| No. males/females | 24/37 | 9/23 | n.s. |
| Visual acuity and IOP | |||
| LogMAR in the worse eye | –0.03 ± 0.05 | 0.07 ± 0.17 | 0.000* |
| LogMAR in the better eye | –0.05 ± 0.04 | 0.01 ± 0.11 | 0.001* |
| IOP (mmHg) | 14.0 ± 5.2 | 15.5 ± 4.4 | n.s. |
| Visual field | |||
| MD in the worse eye (dB) | –1.85 ± 3.94 | –6.90 ±7.82 | 0.001* |
| MD in the better eye (dB) | -0.46 ± 2.32 | –1.53 ± 3.37 | n.s. |
| Sleep and mood indices | |||
| Sleep parameters | |||
| PSQI global score | 5.02 ± 3.10 | 5.16 ± 3.46 | n.s. |
| Sleep latency (h) | 0.46 ± 0.90 | 0.36 ± 0.41 | n.s. |
| Sleep efficacy (%) | 91.8 ± 17.3 | 95.4 ± 13.5 | n.s. |
| Mood parameters | |||
| HADS score | 9.47 ± 5.61 | 9.42 ± 7.36 | n.s. |
| HADS-A subscore | 4.84 ± 3.22 | 4.71 ± 3.45 | n.s. |
| HADS-D subscore | 4.63 ± 3.05 | 4.71 ± 4.40 | n.s. |
Unless indicated otherwise, data are given as the mean ± SD.
AP-values were obtained by Chi-squared test and the Mann–Whitney U test, as appropriate; asterisks indicate significant differences.
IOP, intraocular pressure in the worse eye; MD, mean deviation of Humphrey Field Analyzer 30–2.
PSQI, Pittsburgh Sleep Quality Index; HADS, Hospital Anxiety and Depression Scale; HADS-A, Anxiety subscale; HADS-D, Depression subscale.