Method for Calculating the Bending Angle of Puncture Needle in Preoperative Planning for Transjugular Intrahepatic Portal Systemic Shunt (TIPS)

Table 2

Calculated bending angle of puncture needle for each subject.

Subject number	Bending angle (degree)
1	30.7
2	41.0
3	37.5
4	36.2
5	39.5
6	40.2
7	66.7
8	52.5
9	54.2
10	36.0
11	36.2
12	45.1
13	41.0