Table 6. False-positive cases: diagnoses in cases in which more than one reader misclassified the case.

Group	Diagnosis	Number of readers that misclassified case
Positive oral contrast	Pelvic inflammatory disease	3
	Perforated cecal cancer	3
	Diverticulitis	2
	Perforated duodenal ulcer	2
	RLQ pain, not otherwise specified (1 year follow-up)	2
Neutral oral contrast	Gastroenteritis	4
	RLQ pain, not otherwise specified (no follow-up)	3
	RLQ pain, not otherwise specified (no follow-up)	3
	Gastroenteritis	2
	RLQ pain, not otherwise specified (18 month follow-up)	2
	RLQ pain, not otherwise specified (7 month follow-up)	2

RLQ, right lower quadrant.