Table 2. Association of potential risk factors with ruptured aneurysm in two groups.

Risk Factor	In RA<5 m (N/%)	In RA>5 mm	P-Value
Cigarette smoking	10 (23%)	28 (36%)	0.447
Poorly controlled hypertension	7 (17%)	23 (30%)	0.051
Smoking and hypertension	0 (0%)	11 (14%)	0.004
No known risk factor	28 (60%)	35 (45%)	0.136
Clinical presentation with Hunt and Hess Grade 4 and 5	17 (37%)	12 (15%)	0.011