A prospective study of accuracy of modified Alvarado score in patients with acute appendicitis in tertiary care hospital

Abstract

Background: Acute appendicitis is the most common acute emergency of the abdomen. Clinical diagnosis of acute appendicitis is challenging in most of situation. The present study was designed to evaluate the role of modified Alvarado scoring system in diagnosis of acute appendicitis.Methods: One hundred consecutive patients presenting in the department of surgery Geetanjali Medical College and Hospital from January 2014 to 2016 were included. Demographic characteristics, symptoms and signs, laboratory results were recorded. Data was collected using a pre-tested questionnaire and analyzed using statistical calculation.Results: In the present study 100 patients were studied in a period of two years. Maximum percentage of patients were in age group 20-30 years and males dominated the series. The sensitivity and specificity of modified Alvarado score was 91.57% and 76.47% respectively with positive predictive value 95% and negative predictive value 65% and diagnostic accuracy of 89%.Conclusions: This study shows that use of modified Alvarado scoring system in patients with acute appendicitis provides a high degree of diagnostic accuracy.