Table 3 Clinical characteristics

Demographics

Age (mean ± standard deviation) (year)

47.1 ± 15.8

Female/male

10/3

Medical history, n (%)

Hypertension

5 (38.5)

Tobacco use

4 (30.8)

Migraine

1 (7.7)

Depression/anxiety

2 (15.4)

Vasoactive drug or medication

3 (23.1)

Initial clinical presentation, n (%)

Thunderclap headache

8 (61.5)

Other headache

5 (38.5)

Motor deficit

8 (61.5)

Sensory disorder

4 (30.8)

Speech disorder

2 (15.4)

Cognitive disorder

1 (7.7)

Visual/acoustic symptoms

4 (30.8)

Vegetative symptoms

5 (38.5)

Dizziness/vertigo

1 (7.7)

Impaired consciousness

2 (15.4)