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Objective To evaluate the diagnostic accuracy of the Alvarado score in reducing the rate of negative appendicectomy at Queen's Hospital, a small district general hospital in England. Methodology The retrospective, analytical study included all children who were ≤16 years old with a preliminary diagnosis of acute appendicitis undergoing appendicectomy subsequently. Children with other causes of acute abdominal pain were excluded from the study. A total of 118 patients were included. Based on their calculated Alvarado scores, they were stratified into two groups: Group A (Alvarado score Results Out of the 118 patients (85 males, 33 females), 46 belonged to Group A and 72 to Group B. Final diagnosis of acute appendicitis from histopathology reports was confirmed in 94 cases (79.6%). The overall sensitivity and positive predictive value of Alvarado score for acute appendicitis were 92% and 94% respectively. The area under the ROC curve was 0.9 indicating a highly accurate test. The sensitivity was only slightly higher for males with a score of However, for scores ≥6, sensitivity among males was significantly higher than females (79% vs. 62.6%; p A multivariate analysis revealed that anorexia, right iliac fossa tenderness and rebound tenderness are significantly correlated with a correct diagnosis of acute appendicitis (p = 0.025, 0.037 and 0.026 respectively). Conclusion The presence of a high Alvarado score (≥6) is highly predictive of acute appendicitis. In women of childbearing age and Alvarado scores of

The Alvarado score in acute appendicitis: A 3-year audit to evaluate the usefulness in predicting negative appendicectomies in ≤16 s at QHBFT