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Sonographic measurement of abdominal aortic diameter: interobserver variability.
Author(s) -
Yucel E K,
Fillmore D J,
Knox T A,
Waltman A C
Publication year - 1991
Publication title -
journal of ultrasound in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 91
eISSN - 1550-9613
pISSN - 0278-4297
DOI - 10.7863/jum.1991.10.12.681
Subject(s) - medicine , abdominal aorta , confidence interval , nuclear medicine , radiology , aorta , anatomy , surgery
Twenty‐eight patients undergoing sonographic evaluation of the abdominal aorta were examined by two separate observers. Three measurements were obtained from each patient: the anteroposterior diameter from an axial image (APA), the right‐left diameter from an axial image (RLA), and the anteroposterior diameter from a longitudinal image (APL). Calculation of the interobserver variability gave the following results (in mm): APL, 2.22; APA, 2.53; and RLA, 2.84. The calculated 95% confidence intervals for a single measurement (in mm) were APL, 4.35; APA, 4.94; and RLA, 5.58.