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- A systematic review with meta-analysis of the impact of access and quality of diabetic foot care delivery in preventing lower extremity amputationPublication . Monteiro-Soares, Matilde; Vale-Lima, Jorge; Martiniano, João; Pinheiro-Torres, Sofia; Dias, Vanessa; Boyko, Edward J.Aims: To assess the impact of diabetic foot care delivery in preventing lower extremity amputation (LEA). Methods:Wesystematically searched theMEDLINE database for research evaluating the association between any aspect of diabetic foot care delivery and risk of LEA. Meta-analysis was conducted by calculating a pooled odds ratio through a random effects model. Results: Our search retrieved 5093 articles. In total, 58 articles were included: 9 addressing healthcare access, 4 educating health professionals, 2 implementing guidelines, 6 receiving chiropody/podiatry care services and 37 implementing structured diabetic foot care services (SDFC). All of these aspects of diabetic foot care seemed to have a positive impact on preventing LEA. Only SDFC literature met criteria for performing a meta-analysis. For SDFC impact on preventing overall and major LEA but not for minor LEA compelling evidence was observed [aggregated odds ratio (OR) of 0.45 (95% CI 0.37–0.57), 0.40 (95% CI 0.32–0.51), and 0.87 (95% CI 0.67–1.14), respectively]. However, high heterogeneity (superior to 60%) was observed for all outcomes. Conclusions: Results support a reduction in diabetic LEA frequency in association with structured diabetic foot care, and, in particular, major LEA. Less evidence is available for the remaining aspects of diabetic foot care delivery.