Intimal topography
|
Vascular occlusion
|
Vascular patency
|
Total
|
Patency rate
|
---|
Smooth topography
|
5 (2.5)
|
2 (4.5)
|
7
|
28.60%
|
Aligned topography
|
0 (2.5)
|
7 (4.5)
|
7
|
100%
|
Total
|
5
|
9
|
14
|
-
|
- The number in the bracket represents expected count. As N < 40, Fisher’s exact probability was chosen to compare the patency rate of vascular grafts with different topography.