Cohort Study: Patient factors associated with appendectomy within 30 days of initiating antibiotic treatment for appendicitis – the presence of an appendicolith was associated with a nearly 2-fold increased risk of undergoing appendectomy within 30 days.

Patient Factors Associated With Appendectomy Within 30 Days of Initiating Antibiotic Treatment for Appendicitis – JAMA Surgery (free for a limited period)

Invited commentary: Appendicoliths, Antibiotic Treatment Failure, and Appendectomy—Is the Glass Half Full or Half Empty? – JAMA Surgery