The Accuracy of 3D Printing Assistance in the Spinal Deformity Surgery

Table 5

Comparison of accuracy and acceptability among studies.

Study	Technique	Accuracy		Acceptability
		Range	Mean	Range	Mean
Our study	Drill template	61.1%–100%	86.7%	88.5%–100%	97.1%
Liu et al.	Drill template	NA	93.8%	100%	100%
	Free hand	NA	78.8%	NA	97.1%
Gelalis et al.	Free hand	68.6%–94.2%	78.8%	76.3%–97.0%	89.0%
	2D fluoroscopy	27.6%–81.7%	58.1%	71.3%–95.2%	85.4%

NA = not available. Studies without details of breach grading were excluded from calculation of acceptability.