. Author manuscript; available in PMC: 2011 Apr 26.

Published in final edited form as: J Surg Res. 2008 Apr 8;147(2):221–224. doi: 10.1016/j.jss.2008.03.004

TABLE 1.

Accuracy of Diagnosis for Appendicitis

	Appendectomies	Histologically confirmed appendicitis	Positive-predictive value (%)
No CT scan	381	346	90.8
+CT for appendicitis	615	593	96.4
+CT for perforated appendicitis	173	159	91.9