Observer variation for radiography, computed tomography, and magnetic resonance imaging of occult hip fractures.

There were almost perfect observer agreements for CT and MRI in diagnosing non-displaced, occult hip fractures. Observer agreements for radiography were moderate to substantial, and observer experience influenced agreement only at radiography Collin D, Dunker D, Göthlin JH, Geijer M. Acta Radiol. 2011 Aug 26. [Epub ahead of print] PMID: 21873504