Methods
The maximum diameter(mm)
The minimum diameter (mm)
Circular index
3D printed models 20.22±4.53 14.65±3.66 1.40±0.23
2D-TEE images 20.14±4.42 14.58±3.71 1.40±0.20
t value 0.76 0.72 -0.10
P value 0.45 0.47 0.92