Table 3. Factors affecting the aortic diameter in lowest renal artery level after EVAR (multiple linear regression analysis).

Variable	ß	E	95% CI	p
Pre-RA short axis diameter (mm)	0.792	0.049	0.916-1.109	0.001
Follow-up period (month)	0.264	0.004	0.021-0.037	0.001
Suprarenal fixation type	0.256	0.272	1.308-2.382	0.001
Stent oversizing (%)	0.113	0.013	0.013-0.064	0.019
ß: Estimated regression coefficient; SE: Standard error; CE: Confidence interval; EVAR: Endovascular aortic repair.