Stratified computed tomography findings improve diagnostic accuracy for appendicitis

Table 3 Incidence of coexisting inflammatory lesions

Coexisting lesions	Incidence (n)	% (n = 224)
Ileocolitis	37	17.0
Terminal ileitis	10	4.5
Periappendiceal fluid collection	4	1.0
Pelvic inflammatory disease	2	0.9
Epiploic appendigitis	1	0.4

Data refer to patients who underwent operation with suspicion of appendicitis based on clinical manifestations despite negative or equivocal computed tomography interpretation.