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. Author manuscript; available in PMC: 2017 May 1.

Published in final edited form as: Eur Radiol. 2016 Aug 23;27(5):1787–1794. doi: 10.1007/s00330-016-4559-0

Table 2.

Summary of the inter-modality (a) and inter-observer (b) agreement for AAA diameter measurements

a) Inter-modality agreement
	Diameter on MRI (mm)	Diameter on CTA (mm)	SD^a (between methods)	CV^b	Bias	LOA^c	ICC^d
Reader 1	49.8± 12.0	50.7 ± 12.3	1.4	2.8 %	−0.8	(−3.6, 1.9)	0.991
Reader 2	50.3± 12.1	50.3 ± 12.2	1.3	2.6 %	−0.04	(−2.6, 2.5)	0.994
b) Inter-observer agreement
	Reader 1 (mm)	Reader 2 (mm)	SD^a (between readers)	CV^b	Bias	LOA^c	ICC^d
MRI	49.8± 12.0	50.3 ± 12.1	1.2	2.5 %	0.5	(−2.0, 2.9)	0.994
CTA	50.7± 12.3	50.3 ± 12.2	1.2	2.3 %	−0.3	(−2.6, 1.9)	0.995

^a

standard deviation;

^b

coefficient of variance;

^c

limit of agreement;

^d

intra-class coefficient.