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Comparative Study between Alvarado Scoring System and Ohmann Score as a Diagnostic Tool for Acute Appendicitis at two Teaching Centers Study in Baghdad City

Background: Acute Appendicitis first characterized as a surgical entity in 1886 by pathologist Reginald Fitz,appendicitis is now the most common abdominal emergency and appendectomy is the non-elective surgerymost frequently performed by general surgeons. More than 250,000 cases are diagnosed and intervenedannually in the United States. It occurs less frequently in men than in women, with a lifetime risk of 8.6%and 6.7% respectively. Acute appendicitis occurs infrequently in very young children as well as in olderadults. Having its peak incidence in patients between the end of the second decade and the third decade oflife. Showing an inverse relationship between incidence and mortality, its prevalence was less than 1% in thegeneral population and increases to 4-8% in older adults.Aim of the Study: To assess Alvarado scoring system as a diagnostic tool for acute appendicitisMethod: A prospective cross-sectional study carried at Al-Yarmouk Teaching hospital and BaghdadTeaching hospital in the period from the first of Jan 2020 to end of July 2020, in which 190 patients fromboth genders were enrolled, and their ages ranged from 12-68 years.Conclusion: Alvarado score was better than Ohmann score in diagnosis of the patients with acute.