76 (6) 417-422

Title: 
Inter-observer agreement on the radiographic assessment of canine hip dysplasia
Author(s): 
F. COOPMAN, G. VERHOEVEN, D. PAEPE, H. VAN BREE, L. DUCHATEAU, J.H. SAUNDERS
Abstract: 

In order to gain insight into the process of evaluating the hip quality of potential breeding dogs, we estimatedinter-observer agreement on the assessability of radiographs, on the morphological observationsandon the final scoring of canine hip dysplasia. One hundred radiographs were assessed in terms of theirradiographic quality and the morphological traits of the hips by six individual observers and by two groupsof two observers each. These six observers and two groups were also asked to evaluate the radiographs inaccordance with the FCI (Fédération Cynologique Internationale) instructions. There was no consistentpattern between observers in the evaluation of the technical quality of the radiographs. For some of theobservers there was a small amount of agreement in the evaluation of the morphological characteristics.The agreement between the evaluations of the two groups was greater (harmonization between observers).The level of agreement in final scoring (FCI; A, B, C, D, E) was low between some observers, but acceptablebetween others. These results suggest that the assessment of the quality of ventrodorsal extended radiographsof hips, the assessment of the morphological traits of hips and the final scoring of the hip qualityis highly variable between observers, ranging from total disagreement to nearly full agreement. Solutionsmust be found for maximizing the agreement between the different observers.

Full text: 
pp 417-422
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