Alahakoon, Chanika, Thanigaimani, Shivshankar, Seng, Leonard, Fernando, Malindu, Lazzarini, Peter, and Golledge, Jonathan (2023) A Systematic Review and Meta-Analysis of the Incidence and Risk Factors for Re-admission to Hospital in People with Diabetes Related Foot Disease. European Journal of Vascular and Endovascular Surgery, 66 (2). pp. 195-202.

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Abstract

Objective: The aim of this study was to systematically review the incidence and risk factors for 30 day re-admission to hospital following an index admission to treat diabetes related foot disease (DFD).

Data sources: A literature search was conducted using Medline/PubMed, Scopus, Cochrane Library, and CINAHL databases.

Methods: The study was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. Studies that reported the rate of total or DFD related 30 day re-admissions were included. Meta-analysis was performed using a random effects model to calculate the pooled mean (95% confidence interval [CI]) of the proportion of patients re-admitted to hospital within 30 days. Meta-regression was performed to determine the association between risk factors and 30 day re-admission.

Results: Sixteen retrospective studies with a total of 124 683 participants were included. The mean total 30 day re-admission rate was 22.0% (95% CI 17.0 – 27.0%) while the mean DFD related 30 day re-admission rate was 10.0% (95% CI 7.0 – 15.0%). Meta-regression found that greater prevalence of peripheral neuropathy (p = .045) was associated with a higher rate of any 30 day re-admission, and male sex (p = .023) and private health insurance (p = .048) were associated with lower rates of any 30 day re-admission. Coronary artery disease (p= .025) was associated with a higher rate of DFD related re-admission. All studies had low or moderate risk of bias.

Conclusion: This systematic review suggested that about one fifth of patients with DFD are re-admitted to hospital within 30 days, of which about half are to treat DFD. Risk factors for re-admission included female gender, peripheral neuropathy, lack of private health insurance, and coronary artery disease.

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