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Table 2 Reported impact of medical 3D printing on operation room time

From: 3D-printing techniques in a medical setting: a systematic literature review

   Count Average (in min) Standard deviation
Cranial surgery Custom implant 4 −69.16 92.62
Cranial surgery Custom implant 3 15.81 7.74
Maxillofacial surgery Model for implant shaping 1 −42  
Cerebrovascular Model for surgery planning 1 −30  
Maxillofacial surgery Model for surgery planning 5 −5.8 78.52
Maxillofacial surgery Model for surgery planning 4 43.5 24.52
Orthopedics hip Model for surgery planning 2 0.75 6.75
Spinal surgery Model for surgery planning 2 −45.5 17.5
Maxillofacial surgery Surgical guide 6 −60.33 61.85
Orthopedics ankle Surgical guide 1 −12  
Orthopedics hip Surgical guide 4 −0.025 5.72
Orthopedics knee Surgical guide 20 −6.73 13.68
  1. Italic text outlier correction (outlier defined as study with a highly different outcome compared to the average of the remaining studies within the group)