Table 2.
Clinical correlation factors of MDD patients with or without cognitive impairment hospitalized during the acute phase.
| Variable | With cognitive impairment (n=80) | Without cognitive impairment (n=46) | t-value | P-value |
|---|---|---|---|---|
| PSQI score | 14 (11,17) | 15 (11,17.25) | -0.419 | 0.675 |
| Sleep quality | 2 (2,3) | 2 (1,3) | -0.108 | 0.914 |
| Sleep latency | 3 (2.25,3) | 3 (2,3) | -0.348 | 0.728 |
| Sleep time | 2 (1,3) | 2 (1,3) | -0.492 | 0.623 |
| Sleep efficiency | 3 (1,3) | 3 (2,3) | -1.142 | 0.254 |
| Sleep disturbances | 1 (1,1) | 1 (1,1) | -0.693 | 0.488 |
| Sleep medications | 2 (0,3) | 3 (0,3) | 1.103 | 0.270 |
| Daytime dysfunction | 3 (2,3) | 3 (2,3) | 0.811 | 0.417 |
| PSAS score | 41.36 ± 11.36 | 42.02 ± 12.05 | -0.307 | 0.760 |
| DBAS -16 score | 37 (30.25,44.25) | 36 (30.75,43.25) | -0.355 | 0.722 |
| MEQ | ||||
| Morning type, n (%) | 23 (28.7) | 19 (41.3) | 2.573 | 0.276 |
| Intermediate type, n (%) | 40 (50) | 21 (45.7) | ||
| Evening type, n (%) | 17 (21.3) | 6 (13) | ||
| HAMD-17 score | 22 (18,25.75) | 19 (13,22.25) | -2.799 | <0.01 |
| HAMA score | 20.16 ± 6.77 | 17.93 ± 7.25 | 1.733 | 0.086 |
PSQI, Pittsburgh Sleep Quality Index; PSAS, Pre-sleep Arousal Scale; DBAS-16, 16-item Dysfunctional Beliefs and Attitudes about Sleep Scale; MEQ, Morningness-Eveningness Questionnaire; HAMD-17, 17-item Hamilton Depression Rating Scale; HAMA, Hamilton Anxiety Rating Scale.