Table 5.

Mean bias and upper and lower limits of agreement for intra-rater co-axial aortic diameter measurements

Intra-rater agreement	Mean bias	Upper limit of agreement (+ 1.96 SD)	Lower limit of agreement (− 1.96 SD)
Aortic root	0.002	0.13	− 0.13
Sinotubular junction	0.01	0.14	− 0.11
Mid ascending aorta	0.005	0.15	− 0.14
Mid aortic arch	0.02	0.15	− 0.11
Mid descending aorta	0.01	0.16	− 0.14
Distal descending aorta	− 0.007	0.12	− 0.15

Mean bias and upper and lower limits of agreement for intra-rater co-axial aortic diameter measurements with the iNAV approach