title: Observer agreement in the assessment of minor and major cerebral aneurysm recurrence.
abstract: We studied the use of minor and major recurrence classifications with regard to observer variability, which directly affects validity of these terms as outcome measures. Recurrences at the time of a three to six month follow-up angiogram were assessed independently by two experienced observers in 83 cases. Intra- and interobserver concordance is approximately 90% for assessment of minor and major recurrence.
authors.affiliation: Department of Radiology, Mayo Clinic, Rochester, MN 55905, USA. cloft.harry@mayo.edu
authors.forename: Harry J
authors.initials: HJ
authors.lastname: Cloft
authors.forename: David F
authors.initials: DF
authors.lastname: Kallmes
mesh_terms: D002533:Cerebral Angiography; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000145:classification / Q000000981:diagnostic imaging*; D008297:Male; D015588:Observer Variation; D012008:Recurrence