Prevalence for Diagnosis: Appendicitis
| Population / Calculator | Prevalence | Comments / Study / Link | Order |
| Adults >60 years old, abdominal pain in the ED [Edit] |
4% | http://jama.ama-assn.org/cgi/content/abstract/276/19/1589 | Move Up Move Down |
| Adults, abdominal pain in ambulatory setting [Edit] |
1% | http://jama.ama-assn.org/cgi/content/abstract/276/19/1589 | Move Up Move Down |
| Adults <60 years old, abdominal pain in ED [Edit] |
25% | http://jama.ama-assn.org/cgi/content/abstract/276/19/1589 | Move Up Move Down |