Standardizing evaluation of patient-specific 3D printed models in surgical planning: development of a cross-disciplinary survey tool for physician and trainee feedback

Table 1 Example categorization process

Study	Original Question	Category	Construct	Type	Generic Question
Chen 2018 [25]	Usefulness of 3D prototype for communicating with patients	Communication	Utility	Merged	How much did the 3D model help you with communicating with patients?
Zheng 2018 [19]	How much does the 3D-printing model help you communicate with patients?	Communication	Utility
Lou 2017 [26]	How critical is the 3D printing model in helping your communication with patients	Communication	Utility
Aluwee 2017 [27]	Positional relationship between the uterus and the tumor	Anatomy	Fidelity	Merged	How accurate was the region of interest to surrounding structures?
George 2017 [28]	Understand the relationship to vessels	Anatomy	Fidelity	Merged
Wang 2018 [29]	The guides were helpful for precise osteotomy and reduction during surgery	Surgery	Utility	Unique	How helpful was the 3D model for precise surgical maneuvers?

ISSN: 1472-6920