Abstract
BackgroundCommunity based prevalence for diabetes related foot disease (DRFD) has been poorly quantified in Australian populations. The aim of this study was to develop and validate a survey tool to facilitate collection of community based prevalence data for individuals with DRFD via telephone interview.MethodsAgreed components of DRFD were identified through an electronic literature search. Expert feedback and feedback from a population based construction sample were sought on the initial draft. Survey reliability was tested using a cohort recruited through a general practice, a hospital outpatient clinic and an outpatient podiatry clinic. Level of agreement between survey findings and either medical record or clinical assessment was evaluated.ResultsThe Questionnaire for Diabetes Related Foot Disease (Q-DFD) comprised 12 questions aimed at determining presence of peripheral sensory neuropathy (PN) and peripheral vascular disease (PVD), based on self report of symptoms and/or clinical history, and self report of foot ulceration, amputation and foot deformity. Survey results for 38 from 46 participants demonstrated agreement with either clinical assessment or medical record (kappa 0.65, sensitivity 89.0%, and specificity 77.8%). Correlation for individual survey components was moderate to excellent. Inter and intrarater reliability and test re-test reliability was moderate to high for all survey domains.ConclusionThe development of the Q-DFD provides an opportunity for ongoing collection of prevalence estimates for DRFD across Australia.
Highlights
Community based prevalence for diabetes related foot disease (DRFD) has been poorly quantified in Australian populations
The development of the Questionnaire for Diabetes Related Foot Disease (Q-DFD) provides an opportunity for ongoing collection of prevalence estimates for DRFD across Australia
Whilst the literature search identified two surveys that were used to identify the presence or absence of Peripheral neuropathy (PN) and peripheral vascular disease (PVD) respectively, it failed to identify any existing survey tools that encompassed all aspects of DRFD within the one tool
Summary
Community based prevalence for diabetes related foot disease (DRFD) has been poorly quantified in Australian populations. Diabetes related foot disease (DRFD) describes a number of complications of diabetes that can occur simultaneously or in isolation. The paucity of Australian data describing the prevalence of DRFD makes future planning and policy direction for health services extremely difficult. Mapping changes in disease prevalence over time is required in order to support the planning and distribution of health services into the future. This is especially important given that required changes to service provision are most likely to be in response to increasing, rather than decreasing disease prevalence
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