Occurrence of nonserious adverse events within days 1–3, depending on diagnosisa
| Nonserious Adverse Events | iNPH (n = 35) | SIH (n = 14) | AC (n = 18) | PC (n = 22) | IIH (n = 6) | cHC (n = 5) |
|---|---|---|---|---|---|---|
| Headache | ||||||
| Mild | 1 (3%) | 2 (14%) | 0 | 0 | 0 | 0 |
| Moderate | 2 (6%) | 3 (21%) | 2 (11%) | 4 (18%) | 0 | 2 (40%) |
| Severe | 2 (6%) | 2 (14%) | 6 (33%) | 15 (68%) | 1 (17%) | 2 (40%) |
| Nausea | ||||||
| Mild | 6 (17%) | 2 (14%) | 4 (22%) | 4 (18%) | 0 | 2 (40%) |
| Moderate | 1 (3%) | 1 (7%) | 1 (6%) | 1 (5%) | 1 (17%) | 0 |
| Severe | 10 (29%) | 2 (14%) | 5 (28%) | 15 (68%) | 1 (17%) | 1 (20%) |
| Dizziness | ||||||
| Mild | 4 (11%) | 2 (14%) | 2 (11%) | 2 (9%) | 0 | 0 |
| Moderate | 1 (3%) | 1 (7%) | 3 (17%) | 6 (27%) | 0 | 0 |
| Severe | 0 | 0 | 5 (28%) | 9 (41%) | 2 (33%) | 1 (20%) |
| Itch | 1 (3%) | 0 | 1 (6%) | 0 | 0 | 1 (20%) |
| Warm feeling | 3 (9%) | 1 (7%) | 1 (6%) | 2 (9%) | 0 | 0 |
| Paresthesia | 1 (3%) | 2 (14%) | 3 (17%) | 6 (27%) | 0 | 0 |
| Vision problems | 0 | 0 | 0 | 0 | 0 | 0 |
| Cognitive difficulties | 0 | 0 | 0 | 0 | 0 | 0 |
| Discomfort at injection site and/or lumbar region | 0 | 2 (14%) | 2 (11%) | 7 (32%) | 2 (33%) | 1 (20%) |
| Tremor | 0 | 0 | 0 | 0 | 0 | 0 |
| No adverse events | 12 (34%) | 3 (21%) | 4 (22%) | 0 | 2 (33%) | 1 (20%) |
Note:—SIH indicates spontaneous intracranial hypotension; AC, arachnoid cyst; PC, pineal cyst; IIH, idiopathic intracranial hypertension; cHC, communicating hydrocephalus.
↵a Data are presented as No. of individuals (percentage in parentheses).