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Comparison of questionnaire responses between the two groups in the aforementioned study conducted by Deng et al. Guardians’ understanding of both VSD and operation knowledge was found to be significantly higher in the 3D printing group, although no significant differences were found in the overall ratings. vsdknow: VSD knowledge, opknow: Operation knowledge, OA: overall understanding. Reprinted with permission under open access from Deng et al. [128].
