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Meta-Analysis
. 2019 Sep;35(6):e3160.
doi: 10.1002/dmrr.3160. Epub 2019 Apr 17.

Global recurrence rates in diabetic foot ulcers: A systematic review and meta-analysis

Xue-Lei Fu  1 , Hui Ding  1 , Wei-Wei Miao  1 , Chun-Xing Mao  1 , Min-Qi Zhan  1 , Hong-Lin Chen  2
Affiliations
Meta-Analysis

Global recurrence rates in diabetic foot ulcers: A systematic review and meta-analysis

Xue-Lei Fu et al. Diabetes Metab Res Rev. 2019 Sep.

Abstract

Recurrence rates of diabetic foot ulcers vary widely in the published literature. The aim of this systematic review is to estimate recurrence rates of diabetic foot ulcers. We did a PubMed search and performed a review of reference lists for studies reporting recurrence of diabetic foot ulcers. The weighted relative risk (RR) and corresponding 95% confidence interval (CI) for recurrence was estimated. Forty-nine studies reporting recurrence of diabetic foot ulcers were included. A pooled estimate for recurrence rate was 22.1% per person-year (py) (95% CI, 19.0-25.2%). Recurrence rate was 24.9% per py in Europe (95% CI, 20.0%-29.7%), 17.8% per py in North America (95% CI, 12.7%-22.9%), 16.9% per py in Africa (95% CI, 4.7%-29.0%), and 17.0% per py in Asia (95% CI, 11.1%-23.0%). Turkey had the highest recurrence rate of 44.4% per py (95% CI, 24.9%-63.9%), and Bangladesh had the lowest of 4.3% per py (95% CI, 2.3%-6.3%). Recurrence rates of diabetic foot ulcers before 2002, between 2002 and 2008, and after 2008 were 22.2% per py (95% CI, 17.6%-26.8%), 21.9% per py (95% CI, 17.0%-26.8%), and 21.8% per py (95% CI, 16.3%-27.2%), respectively. Recurrence rates of diabetic foot ulcers are high. Recurrence rates vary widely in different regions and have decreased recently. More attention towards recurrence of diabetic foot ulcers is urgently required.

Keywords: diabetic foot ulcers; meta-analysis; recurrence rate.

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References

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