Table 2. Questionnaire for patients and nonmedical professionals.

Question	Subjective field	Average point
1	Is the 3D-printed prototype useful for helping you to understand the surgical plan?	9.27±0.29
2	Is the 3D-printed prototype useful for you to obtain a clear understanding of your condition?	9.47±0.43
3	Would you like the doctor to use a 3D-printed prototype to communicate with you about your condition?	9.40±0.49
4	How do you access your overall satisfaction of the preoperative conversation?	9.11±0.38