This document presents data on 107 patients evaluated for acute appendicitis. It compares the Alvarado score and Air score clinical prediction rules. The Alvarado score achieved a sensitivity of 84.62% and specificity of 71.43%, while the Air score achieved a sensitivity of 77% and specificity of 97.78%. Both scores can help determine which patients can be discharged, need further evaluation, or would benefit most from direct surgery.