European Radiology Experimental

Table 2 Follow-up aneurysm sac volume data based on computed tomography angiography

From: Feasibility of aortic aneurysm sac embolization using a novel shape memory polymer embolic device

	Value		p-value^b	Range
Follow-up, overall (n = 16)
Term, months	11	± 7		3–24
Aneurysm volume, mL	194	± 134		50–442
Change in volume, mL	-30	± 21	0.0006	-2–67
% change in volume^a	-30	± 31		-0.5 to -87
Follow-up, 3–6 months (n = 8)
Aneurysm volume, mL	179	± 136		56–442
Change in volume, mL	-27	± 20	0.0181	-2 to -64
% change in volume^a	-28	± 29		-0.5 to -87
Follow-up, 12–24 months (n = 8)
Aneurysm volume, mL	195	± 125		50–404
Change in volume, mL	-31	± 21	0.0186	-8 to 67
% change in volume^a	-30	± 31		-2 to -80

The continuous data are presented as mean ± standard deviation
^aMean percent change in volume from baseline values
^bComparing baseline to follow-up

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