Table 2.

Questionare scores.

Question	Score
Before the training
1. How much improvement do you think you can get through the 3D printing model ? (1–10, 10 means great improvement)	8.8 ± 1.2
2. How important do you think it is for medical students to use surgical models for surgical training ? (1–10, 10 means very important)	8.1 ± 1.1
After the training
3. Do you think the 3D printing model is comfortable in this training ? (1–10, 10 means very comfortable)	8.4 ± 1.1
4. How important do you think it is for medical students to use surgical models for surgical training ? (1–10, 10 means very important)	8.9 ± 1.1
5. What do you think about the potential of 3D printing models in improving surgical skills? (1–10, 10 means very important)	8.4 ± 1.4
6. Comparison of Question 2 and Question 4 (P value)	0.029