Table 1.

Patient cohort, n=366

Male, n (%)154 (42)
Female, n (%)212 (58)
Age, years, median (range)45 (16–99)
Subarachnoid haemorrhage, n (%)16 (4.3)
Computed tomography diagnosis, n (%)12 (3.3)
Lumbar puncture diagnosis, n (%)4 (1.1)
Confirmed aneurysm, n (%)8 (2.2)