Table 2. Change in aortic diameter at different levels between the patient groups.

Variables	Aortic level (short axis)	Fixation				p
		Suprarenal (n=114)		Infrarenal (n=54)
		%	Mean±SD	%	Mean±SD
	Below celiac artery		25.0±3.0		24.4±2.4	0.207
	Below SMA		23.4+3.1		22.5±3.0	0.088
Pre-EVAR diameter (mm)
	Lowest RA		22.5±2.8		22.1±2.7	0.377
	1 cm below RA		22.1±3.2		21.2±2.8	0.068
	Below celiac A		26.1±3.6		25.6± 3.1	0.228
	Below SMA		24.9±3.6		23.8±3.6	0.064
Post-EVAR diameter (mm)
	Lowest RA		26.1±3.2		23.4±3.2	0.001
	1 cm below RA		26.4±3.8		23.6±3.0	0.003
	Below celiac A		4.5±5.3		4.6±74	0.892
	Below SMA		6.7±78		5.9±7.3	0.506
Post-EVAR diameter dilatation (%)
	Lowest RA		12.9±10		6.2±6.9	0.001
	1 cm below RA		15.4±12		11.9±9.2	0.074
	Stent size		26.9±3.4		26.4±3.5	0.431
	Neck length		33.5±13		375±17	0.108
Aortic neck anatomy (lowest RA level, mm)	Neck angle (')		55.0±26		574±28	0.583
	Calcification (>50%)	10		2		0.236
	Thrombus (>50%)	18		6		0.421
Stent oversizing (%)	Lowest RA diameter		21.0±8.9		19.7±11	0.445
	1 cm below RA diameter		21.4±8.7		19.1±10	0.133
Mean follow-up (months)			46.3±32		39.9±26	0.204
SD: Standard deviation; EVAR: Endovascular aortic replacement; SMA: Superior mesenteric artery; RA: Renal artery.