Evaluation of modified Alvarado score in the diagnosis of acute appendicitis

ABSTRACT

To evaluate Modified Alvarado Score in patients with right iliac fossa pain. Prospective cross-sectional study from March 2006 to May 2007. District Headquarter [DHQ] Hospital, Charsadda. One hundred consecutive patients with right right iliac fossa pain. Both male and female patients with ages >14 years were included. Basic data of all the patients was collected. They were divided into two groups on the basis of modified Alvarado score. Group-I Alvarado score >/= 7. Group-II Alvarado score patients underwent surgery; amongst them 52 had acute appendicitis while nine had other pathology. In Group-II there were 39 patients; amongst them six underwent surgery later on because of increase in their scores during observation, all of them had acute appendicitis. The negative appendicectomy rate was 14.75% and positive predictive value 85.21%. Conclusion: Alvarado Score is an easy and simple complementary aid in the diagnosis of acute appendicitis. It works well in patients with a score of >/= 7