Table 4. Relative intra- and interobserver variability of abdominal aorta 2D speckle tracking.

Variables	Intraobserver variability (%)	Interobserver variability (%)
AAO-SENDO	13.87	21.03
AAO-SMESO	8.67	16.00
AAO-SEPI	9.48	19.27

AAO-SENDO, peak circumferential strain of the inner abdominal aortic layer; AAO-SMESO, peak circumferential strain of the middle abdominal aortic layer; AAO-SEPI, peak circumferential strain of the outer abdominal aortic layer.