The Adult Appendicitis Score variables and the respective score points are presented in Table 2. The complete score was calculated for 725 patients with full patient data. Of these patients, 343 had appendicitis. Based on the chosen cut-off values in the ROC analysis, patients were classified into three groups corresponding to probability of appendicitis: high (≥16 points), intermediate (11–15 points), and low (0–10 points).
Diagnostic performance of the score