Table 1

Summary of patient data and univariate analysis

Total populationUnrupturedRuptured95% CIORp Value
Patientsn=152n=146n=6
Gender0.051 to 1.3470.2610.109
 Men36 (23.7%)33 (22.6%)3 (50%)
 Women116 (76.3%)113 (77.4%)3 (50%)
Mean age (years)61.562.471.20.098 to 1.1931.0910.055
Current smoker32 (17.8%)29 (19.9%)3 (50%)0.999 to 39.1926.2590.050
Hypertensive132 (86.8%)128 (87.7%)4 (66.7%)0.462 to 15.3842.6670.273
Aneurysmsn=180n=174n=60.009 to 3.2400.1750.242
 Single129 (84.9%)123 (84.2%)6 (100%)
 Multiple23 (15.1%)23 (15.8%)0
Aneurysm location0.924 to 24.9244.8000.062
 Anterior147 (81.7%)145 (83.3%)2 (33.3%)
 Posterior33 (18.3%)29 (16.7%)4 (66.7%)
Mean aneurysm size (mm)5.65.413.71.048 to 1.2511.1450.003
Calcification9 (5.0%)9 (5.2%)00.034 to 16.5480.7460.853
Thrombosed8 (4.4%)7 (4.0%)1 (16.7%)0.022 to 2.0410.2100.178
Multilobulated20 (11.1%)16 (9.1%)4 (66.7%)3.352 to 116.36219.750.001
Growth8 (4.4%)4 (2.3%)4 (66.7%)11.905 to 606.90585.00<0.0001
No of CTAs (mean)3.43.42.3
Follow-up (years)3.43.42.5
Ruptured aneurysms6 (3.3%)06 (100%)