Use of three-dimensional printing in preoperative planning in orthopaedic trauma surgery: A systematic review and meta-analysis

Table 1 Results summary

Ref.	Yr	Pathology	Area of orthopaedics	Country of study	Design	Newcastle ottawa Score	Jadad score (RCT)	3DP technology	Total participants	Mean age	% Male
Bagaria et al[20]	2017	All	Mix	India	Retrospective case series	1		FDM	50
Belien et al[21]	2017	Os acromiale and acrominal fractures	Upper limb	Belgium	Prospective case series	3		STL	5
Chen et al[6]	2017	Die-Punch fractures	Upper limb	China	Randomi-sed control trial		0	STL	107	28	60.7
Zheng et al[18]	2017	Intertrochanteric fracture	Hip	China	Retrospective cohort study	7		STL	39	66	56.4
Zheng et al[10]	2017	Calcaneal fractures	Lower limb	China	Randomised control trial		1	STL	75	45	58.7
Zheng et al[9]	2018	Humeral Intercondylar fractures	Upper limb	China	Randomised control trial		1	STL	91	44.6	53.84
Yang et al[17]	2017	Elbow fractures	Upper limb	China	Randomi-sed control trial		2	STL	40	38.6	70
Zhang et al[22]	2017	Lower limb fractures	Lower limb	China	Prospective case series	1		STL	78	56	60.3
Bizzotto et al[23]	2016	Articular fractures	Upper and lower limb	Italy	Prospective case series	1		STL	102		44.1
Yang et al[16]	2016	Trimalleo-lar fractures	Lower limb	China	Randomi-sed control trial		1	STL	30	36.5	53.3
Yang et al[24]	2016	Lateral tibial plateau fractures	Lower limb	China	Prospective case series	2		FDM	7	44	42.9
You et al[11]	2016	Proximal humeral fractures	Upper limb	China	Randomised control trial		2		66	66	40.9
Zeng et al[25]	2016	Acetabular fracture	Pelvis	China	Prospective case series	3		STL	10		50
Li et al[19]	2016	Tile C pelvic fracture	Pelvis	China	Retrospective cohort study	5			157	33	67.5
Kim et al[26]	2015	Midshaft clavicle fractures	Upper limb	China	Prospective case series	0		STL	7
Zeng et al[27]	2015	Pelvic fracture	Pelvis	China	Prospective case series	1			38	32	65.8
Hurson et al[28]	2007	Acetabular fractures	Pelvis	Ireland	Prospective case series	1		SLS	20

RCT: Randomised controlled trial; FDM: Fused deposition modeling; STL: Stereolithograpy; SLS: Selective laser sintering.