• Yousef Moradi, Hamid Reza Baradaran, Shirin Djalalinia, Ahdieh Chinekesh, Mohamad Ebrahim Khamseh, Maryam Dastoorpoor, Amir-Babak Sioofy-Khojine, Lotfolah Saed, and Mostafa Qorbani.
• Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.
• Diabetes Metab Syndr. 2019 May 1; 13 (3): 2300-2312.

AbstractComplications among patients with type 2 diabetes mellitus (T2DM) have increased dramatically through two past decades. Thus, the aim of this updated systematic review and meta-analysis was to estimate the pooled prevalence of T2DM complications in Iranian patients. Using Medical Subject Headings terms, Emtree, and related equal Persian key words, international databases including PubMed, ISI/WOS, Scopus, Iran Medex, SID, Magiran, Irandoc, Medlib, domestic databases were searched from January 1990 till January 2018 reporting prevalence of any complications of type 2 diabetes in Iran. All the keywords were searched electronically by two Boolean operators through the explained search strategy, separately. Relevant additional articles were identified from the lists of the retrieved articles. Random and fixed effect meta-analysis was used to estimate the pooled prevalence of complications in Iranian patients with T2DM. Through searching steps, among 1238 publications retrieved from literature search, finally 45 studies met the inclusion criteria for meta-analysis, with number of 30679 participants. According to random effect, the estimated pooled prevalence of diabetic foot ulcer, cardiovascular disease, retinopathy, neuropathy and nephropathy in Iranian patients with T2DM were 3%(95% CI: 1-5%), 33%(95% CI: 16-49%), 36%(95% CI: 27-45%), 38% (95% CI: 14-63%), and 43% (95% CI: 27-60%), respectively. This updated meta-analysis shows that prevalence of major microvascular complications of T2DM in Iran is high. Our findings provide practical evidence for better planning and clinical decision making.Copyright © 2019. Published by Elsevier Ltd.

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