Accuracy of Alvarado score for diagnosis Acute Appendicitis

Abstract

          Acute appendicitis is common surgical condition. Misdiagnosis was increase complicated either negative appendectomy, ruptured appendicitis or appendicial abscess. Alvarado score was a tool for diagnosis acute appendicitis. This study was performed for evaluated accuracy of Alvarado score for diagnosis acute appendicitis.
          Method : prospective study in patients who suspected acute appendicitis in Phiboonmangsahan
Hospital during July 2007-March 2009
          Result : 152 hospitalized patients. 107 patients was perform appendectomy. Alvarado score showed accuracy was 93.42%, sensitivity was 95.00%, specificity was 90.38%, PPV was 95.00%, NPV was 90.38%. Negative appendectomy rate was 6.50% and ruptured appendicitis rate was 14.95%.
          Conclusion : Alvarado score is a useful tool for diagnosis acute appendicitis because high accuracy rate and uncomplicated tool.