Study ID	Country / cost period, currency	Outcome	Results	Difference	Comment
Buckle fractures
Davidson 2001	UK 2000? Pounds sterling (GBP)	Estimate of treatment costs	Splint: GBP 65.75 Cast: GBP 116.78	MD −GBP 51.03	“Cost‐benefit analysis” Unit costs from hospital contracts department Radiograph, clinic attendance, full PoP cast including materials and technician's time, PoP backslab, Futura splint, temporary splint
Karimi 2013	Iran 2010? US Dollars (USD) in Iran	Estimate of treatment costs	Splint: USD 9.3 Cast: USD 15.3	MD −USD 6.0	“Cost‐benefit analysis” Unit costs from hospital contracts department Screening visits, radiography in ED, visits to fracture clinic, resources for application, cast removal and radiography
Minimally angulated or a minimally displaced acute greenstick or transverse fractures
Boutis 2010	Canada 2009 Canadian dollars (CAD)	Mean total cost	Splint: CAD 877.58 Cast: CAD 950.35	MD −CAD 72.76 (SE 45.88)	Formal cost‐effectiveness analysis. The ASK‐P was used as the basis for the cost‐effectiveness analysis, where a threshold value of CAD 20 per unit gain in the ASK‐P score was used Parents completed expense diary Unit costs also from provincial statistical reports and local administrative data sources Other societal resources included participant and family resources and productivity costs
		Mean total healthcare cost	Splint: CAD 670.66 Cast: CAD 768.22	MD −CAD 97.56 (SE 9.24).
		Mean societal costs	Splint: CAD 206.92 Cast: CAD 182.13	MD CAD 24.79 (SE 37.52)