Table 2.
Detailed sleep characteristics of 137 patients with vertigo and dizziness seen at an academic tertiary care center, stratified by duration of vestibular disorders. Higher values of sleep quality indicate worse sleep quality.
| Total | <2 Years | ≥2 Years | p-Value 2 | |
|---|---|---|---|---|
| N (%) | 137 | 69 (50.4) | 64 (46.7) | |
| Global sleep quality 1, mean (SD), n = 110 | 6.27 (3.18) | 5.44 (2.83) | 7.18 (3.37) | 0.004 |
| Global sleep quality 1: poor sleepers, n (%) |
56 (50.9) | 22 (38.6) | 32 (62.7) | 0.021 |
| Sleep problems | ||||
| Sleep quality, n (%) | 122 (90.4) | 61 (89.7) | 57 (90.5) | 1 |
| Sleep latency, n (%) | 87 (67.4) | 36 (56.2) | 48 (78.7) | 0.013 |
| Sleep latency, mean (SD), n = 132 |
23.61 (39.89) | 18.22 (18.76) | 23.57 (28.26) | 0.207 |
| Sleep medication, n (%) | 14 (10.6) | 3 (4.5) | 10 (16.4) | 0.053 |
| Sleep duration < 7 h, n (%) | 51 (38.3) | 20 (30.8) | 29 (45.3) | 0.128 |
| Sleep duration, mean (SD), n = 133 |
6.89 (1.37) | 7.11 (1.53) | 6.70 (1.17) | 0.090 |
| Habitual sleep efficiency, n (%) | 61 (46.2) | 22 (33.8) | 35 (55.6) | 0.022 |
| Sleep disturbance, n (%) | 115 (95.0) | 61 (93.8) | 52 (96.3) | 0.851 |
| Daytime dysfunction, n (%) | 115 (88.5) | 58 (89.2) | 55 (88.7) | 1 |
1 Global scores were calculated for 110 patients with complete data for all scores. 2 ANOVA, Fisher’s Exact Test. SD = standard deviation, IQR = interquartile range.