Figure 1. Patient Flow in the Appendicitia Acuta (APPAC) Trial at 5-Year Follow-up.

^aIncludes appendicolith, perforation, abscess, or suspicion of tumor.

^bSee Salminen et al.³

^cIncludes all adverse events during the entire follow-up period (variable yes/no for complications), ie, patients with a possible complication at previous follow-up are included in the 5-year analysis even if they were not reached by phone (1 patient in the appendectomy group and 10 patients in the antibiotic group).