Abstract
Background: Uropathogenic Escherichia coli is a major cause of urinary tract infections (UTIs). This systematic review and meta-analysis was conducted to determine the prevalence of antibiotic-resistant uropathogenic E. coli among Iranian children with confirmed bacterial UTIs from 2012 to 2022.
 Methods: A systematic review was performed by searching PubMed, Scopus, Google Scholar, Web of Science, MagIran, Iranian Scientific Information Database, IranMedex, and Iranian Research Institute for Information Science and Technology. The antibiotic-specific pooled prevalence estimates were calculated by applying a random-effects model. Freeman-Tukey Double Arcsine transformation was applied. I-squared statistic, and Cochran’s Q test were computed and meta-regression was conducted on latitude of sampling location.
 Results: The literature search retrieved 2159 articles, among which 19 articles were included. The highest antibiotic resistance was related to doxycycline, ticarcillin-clavulanic acid, cefazolin, cefuroxime, and amoxycillin-clavulanic acid, 59%, 57%, 54%, 53%, and 52%, respectively. Meta-regression on the latitude was statistically significant for nitrofurantoin (P=0.05).
 Conclusion: Resistant uropathogenic Escherichia coli strains were observed in the majority of confirmed bacterial UTIs among Iranian children. The most effective antibiotics for uropathogens were colistin, meropenem, and imipenem.
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