Kennedy 2019.

Patient Sampling	Type of study: retrospective
Patient characteristics and setting	Sample size: 612 Female: 353 Mean age: 11.7 Inclusion criteria: patients ≤ 18 years old with suspected appendicitis Exclusion criteria: missing MRI interpretations by attending radiologist, missing pathology reports, inconclusive final diagnoses, MRI studies terminated due to movement Setting: USA
Index tests	Index test: MRI
Target condition and reference standard(s)	Target condition: appendicitis Reference standard: histology
Flow and timing	Type and length of follow‐up: follow‐up encounter, unclear duration
Comparative
Notes	We identified this study by a search update during the editorial process of the review.