Table 2 Demographic and clinical characteristics of the patients
From: Alterations of the alpha rhythm in visual snow syndrome: a case-control study
Characteristic | VSS (n = 21) | Controls (n = 21) | ||
|---|---|---|---|---|
Male sex – no. (%) | 13 | (61.5) | 13 | (61.5) |
Migraine – no. (%) | 14 | (66.6) | 14 | (66.6) |
Age – mean ± SD [yr] | 33 | ± 9.6 | 33 | ± 11.1 |
Psychiatric comorbidities – no. (%) | ||||
Depression/Anxiety | 8 | (38.1) | 5 | (23.8) |
ADHD | 1 | (4.7) | 1 | (4.7) |
Functional neurological disorders | 2 | (9.5) | 3 | (14.3) |
Eating disorder | 1 | (4.7) | 0 | (0) |
Obsessive-compulsive disorder | 0 | (0) | 1 | (4.7) |
Previous recreational drug use | 0 | (0) | 1 | (4.7) |
Medication – no. (%) | ||||
None | 12 | (57.1) | 13 | (61.9) |
SSRI/ SNRI/Tricyclic antidepressant | 4 | [19] | 5 | (23.8) |
Anticoagulation | 0 | (0) | 2 | (9.5) |
Antihypertensiva/Antidiabetics | 1 | (4.7) | 2 | (9.5) |
Anti-Seizure-medication (Lamotrigine) | 2 | (9.5) | 1 | (4.7) |
Calcium Channel blocker (Cinnarizine) | 0 | (0) | 1 | (4.7) |
Lisdexamfetamindimesilat | 1 | (4.7) | 0 | (0) |
Benzodiazepines (intermittent) | 1 | (4.7) | 0 | (0) |
Intermittent THC (intermittent) | 1 | (4.7) | 1 | (4.7) |
Other comorbidities – no. (%) | ||||
Chronic pain syndrome | 1 | (4.7) | 0 | (0) |
Chronic Leukaemia | 1 | (4.7) | 0 | (0) |
OSAS | 0 | (0) | 1 | (4.7) |
Polycythämia vera | 0 | (0) | 1 | (4.7) |