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Table 3: Occurrence of nonserious adverse events within days 1–3, depending on diagnosis^{^a}
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).