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Risk stratification systems for diabetic foot ulcers: a systematic review
M Monteiro-Soares1, E J Boyko, J Ribeiro
1Serviço de Endocrinologia-Pé Diabético, Centro Hospitalar de Vila Nova de Gaia/Espinho EPE, Unidade 1, Rua Conceição Fernandes, 4434-502, Vila Nova de Gaia, Portugal. mat.monteirosoares@gmail.com
Diabetologia
|January 21, 2011
Summary
Diabetic foot ulcer risk stratification systems share core variables but differ in complexity and validation. Evidence quality is generally low, highlighting a need for more robust predictive ability assessment.
Area of Science:
- Diabetology
- Podiatry
- Clinical Epidemiology
Background:
- Diabetic foot ulcers (DFUs) pose a significant health burden.
- Effective risk stratification is crucial for DFU prevention.
- Existing systems lack comprehensive comparative analysis.
Purpose of the Study:
- To systematically review and compare existing DFU risk stratification systems.
- To assess their similarities, disparities, diagnostic accuracy, and evidence levels.
Main Methods:
- Systematic literature search of MEDLINE database (up to April 2010).
- Inclusion of studies describing creation and validation of DFU risk stratification systems.
- Analysis of system variables, risk groups, and diagnostic accuracy.
Main Results:
- 13 studies evaluated systems including University of Texas, SIGN, and Boyko et al.
- Common variables: diabetic neuropathy, peripheral vascular disease, foot deformity, prior ulcer/amputation.
- Limited reporting on diagnostic accuracy; SIGN showed higher accuracy, Boyko et al. demonstrated external validation.
Conclusions:
- DFU risk stratification systems are essential for diabetes patient screening.
- Core variables are consistent, but model complexity and risk stratification vary.
- Overall evidence quality is low due to insufficient validation of predictive capabilities.
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