Incidence of Enterobius vermicularis in acute appendicitis: A systematic review and meta-analysis

Objective: To evaluate the incidence of Enterobius vermicularis (E. vermicularis) in appendectomies in Iran from 1993 to 2018. Methods: Data were systematically collected on the electronic databases including PubMed, GoogleScholar, ScienceDirect, Scopus, Web of Science, Magiran, Irandoc (Bareket), IranMedex, and Scientific Information Database in English or Persian. Six articles including 29 694 cases of appendicitis with 258 positive cases of infection with E. vermicularis were eligible to enter into this systematic review and meta-analysis. Results: The overall prevalence of E. vermicularis in appendicitis in Iran was 1% (95%CI=0.00-0.02) with the highest rate of 3% (95%CI=0.02-0.03) and lowest rate of 0% (95%CI=0.00-0.01). Conclusions: Prevalence of E. vermicularis infectionin appendicitis in Iran is low and has no statistically significant correlation with age and gender.