Table 2

ELAPSS score10

Earlier aneurysmal subarachnoid haemorrhageYes1
LocationMiddle cerebral artery3
PCom artery/posterior circulation5
>60 years old1
Japanese1
Finnish7
Size1.0–2.9 mm0
3.0–4.9 mm4
5.0–6.9 mm10
7.9–9.0 mm13
>10 mm22
IrregularYes4
3-year risk of growth %5-year risk of growth%
<558
5–9813
15–191828
20–242640
>254361