Table 2.
Demographic information for all participants.
| VSS Mean (SD) n = 32 | VSS + Migraine Mean (SD) n = 35 | Controls Mean (SD) n = 37 | |
|---|---|---|---|
| Female/Male | 12/20 | 24/11 | 24/12 |
| Age/distribution | 29.38/18–54 | 31.78/20–55 | 27.56/18–56 |
| Visual snow | |||
| Duration (years) | 14.81 (13.3) | 13.42 (11.72) | |
| Patients with lifelong duration (%) | 39.3 | 34.4 | |
| Afterimages (%) | 67.9 | 93.1 | |
| Photophobia (%) | 46.4 | 62.1 | |
| Nyctalopia (%) | 75 | 58.6 | |
| Floaters (%) | 82.1 | 86.2 | |
| Blue field entoptic phenomenon (%) | 67.9 | 79.3 | |
| Tinnitus (%) | 67.9 | 67.9 | |
| Paraesthesia (%) | 25 | 42.9 | |
| Family history of migraine (%) | 30.4 | 59.3 | |
| Relative with VS (%) | 4.3 | 7.4 | |
| DASS | |||
| Depression | 12.42 (9.84) | 8.41 (8.62) | 2.62 (3.72) |
| Anxiety | 6.33 (4.87) | 7.07 (7.5) | 1.86 (2.2) |
| Total | 10.53 (6.69) | 8.57 (6.8) | 2.92 (3.24) |
| AUDIT | 3.17 (4.36) | 2.45 (1.59) | 2.62 (1.57) |
| DUDIT | 1.21 (2.93) | 1.24 (3.63) | .52 (1.72) |
| NART | 113.88 (5.95) | 114.17 (4.87) | 116.15 (5.65) |
VSS visual snow syndrome, DASS depression anxiety stress scale, AUDIT alcohol use disorders identification test, DUDIT drug use disorder identification test, NART national adult reading test.