Receiver operating characteristic analysis of the diagnostic performance of a computed tomographic examination and the Alvarado score for diagnosing acute appendicitis: emphasis on age and sex of the patients.

Objective:To compare the diagnostic performance of computed tomography (CT) and the Alvarado score and to determine whether patient age and sex influence the use of CT and the Alvarado score for diagnosing acute appendicitis.Materials and Methods:We retrospectively reviewed the CT scansand medical r