Table 3.

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

	Mean Bias	Upper limit of agreement (+ 1.96 SD)	Lower limit of agreement (− 1.96 SD)
Reviewer 2
Aortic root	− 0.03	0.18	− 0.24
Sinotubular junction	− 0.02	0.21	− 0.25
Mid ascending aorta	− 0.02	0.21	− 0.24
Mid aortic arch	0.003	0.2	− 0.21
Mid descending aorta	− 0.02	0.15	− 0.2
Distal descending aorta	0.03	0.2	− 0.13
Reviewer 3
Aortic root	− 0.02	0.29	− 0.31
Sinotubular junction	− 0.03	0.23	− 0.28
Mid ascending aorta	− 0.05	0.24	− 0.31
Mid aortic arch	0.01	0.33	− 0.31
Mid descending aorta	0.006	0.29	− 0.25
Distal descending aorta	− 0.02	0.2	− 0.25

Mean bias and upper and lower limits of agreement for co-axial aortic diameter measurements with iNAV versus dNAV approach for two reviewers