Isocentric Navigation for the Training of Percutaneous Endoscopic Transforaminal Discectomy: A Feasibility Study

Table 2

Feedback survey.

Feedback survey after the training program
(1) Are you satisfied with this training program?
□ Yes	□ No
(2) Do you agree on that PETD is not that difficult to master?
□ Yes	□ No
(3) Do you still worry about the radiation hazard?
□ Very worry about it	□ Worry about it
□ Less worry about it
(4) Do you think whether there is a need to take measures to avoid radiation hazard during PETD?
□ No	□ Yes
(5) Do you think if there is a need for accurate equipment that could assist location and puncture during PETD for young surgeons?
□ Yes	□ No