Table 1. Demographic data from included articles according to surgical intervention cohort.

Research article	Year	Surgical technique	Study design	No. of subjects	Mean age, y	Gender, % male
Screw fixation cohorts
Talia et al	2019	Screw vs. plate fixation	Retrospective	15	30.1	100
Quadlbauer et al	2019	Screw vs. plate fixation	Retrospective	22	33	95.4
Sander et al	2018	Screw vs. plate fixation	Retrospective	18	39.6	89.5
Mahmoud and Koptan	2011	Screw fixation	Retrospective	27	28.3	96.3
Gurger et al	2018	Screw fixation	Retrospective	12	27	83.3
Morris et al	2018	Screw fixation	Retrospective	12	20	66.6
Somerson et al	2015	Screw fixation	Retrospective	17	21.1	76.5
Garcia et al	2014	Screw fixation	Retrospective	19	21	94.7
Cohen et al	2013	Screw fixation	Retrospective	12	22	100
Altay et al	2014	Screw fixation	Retrospective	33	29	93.9
Gereli et al	2011	Screw fixation	Retrospective	29	28.9	96.5
Ritter and Giachino	2000	Screw fixation	Retrospective	10	26.6	92.8
Poggetti et al	2015	Screw fixation	Retrospective	80	35.2	76.25
Papatheodorou and Sotereanos	2019	Screw fixation	Retrospective	89	28	79.8
				Total = 395
Weighted mean					27.3	91.2
Plate fixation cohorts
Talia et al	2019	Screw vs. plate fixation	Retrospective	15	29.9	100
Quadlbauer et al	2019	Screw vs. plate fixation	Retrospective	20	32	95
Sander et al	2018	Screw vs. plate fixation	Retrospective	20	39.6	89.5
Putnam et al	2019	Plate fixation	Retrospective	13	32	76.9
Esteban-Feliu et al	2018	Plate fixation	Retrospective	15	32	93.3
Dodds et al	2018	Plate fixation	Retrospective	20	24	90
Dodds and Halim	2016	Plate fixation	Retrospective	9	26.67	88.9
Ghoneim	2011	Plate fixation	Retrospective	14	26	100
Mehling et al	2019	Plate fixation	Retrospective	17	33.1	88.2
Leixnering et al	2011	Plate fixation	Retrospective	11	37	63.6
Schormans et al	2018	Plate fixation	Prospective	21	31	95.2
Putnam et al	2019	Plate fixation	Retrospective	34	31	94.1
				Total = 209
Weighted mean					30.3	90.3