TABLE 3.

Multivariate analysis of selected factors as potential predictors of aneurysms detected on MR angiography screening^*

Risk Factor	OR (95% CI)	SE	p Value
log (pack-years of cigarette smoking)	3.24† (1.81–5.79)	0.072	<0.001
sex	2.46‡ (1.46–4.54)	0.290	0.001
duration of hypertension	1.26§ (1.07–1.49)	0.009	0.006

^*CI = confidence interval.

^†Odds ratio for 20 pack-years of cigarette smoking compared to never having smoked.

^‡Odds ratio for females compared to males.

^§Odds ratio for 10 years of hypertension compared to no hypertension.