Pattern recognition method for diagnosis of systemic...

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G01N 33/48 (2006.01)

Patent

CA 2562530

An array of autoantibodies is quantitated in a patient sample and analyzed toward a diagnosis of systemic autoimmune diseases. The analysis uses any of various known pattern recognition techniques, for example k-nearest neighbor analysis, to compare the array of quantitation data to sets of data previously obtained from subjects having known systemic autoimmune diseases, thereby determining the particular disease(s) that the patient is suffering from as well as the degree of confidence or likelihood of accuracy of the determination. The method is effective in identifying a single disease and also in identifying two or more diseases simultaneously present. The method is readily susceptible to automated data processing, eliminating much of the human judgment and error that were previously entailed in diagnosing these diseases.

L'invention concerne un ensemble d'anticorps quantifié dans le prélèvement d'un patient et analysé afin de diagnostiquer des maladies systémiques auto-immunes. On utilise dans cette analyse une des diverses techniques de reconnaissance de modèle connues, par exemple l'analyse des k-plus proches voisins, afin de comparer le réseau de données de quantification à des ensembles de données précédemment obtenus de sujets souffrant de maladies systémiques auto-immunes connues, déterminant ainsi la ou les maladies spécifiques dont souffre le patient, ainsi que le degré de fiabilité ou de probabilité de l'exactitude de la détermination. Cette méthode permet d'identifier efficacement une seule maladie, mais également deux ou plusieurs maladies affectant simultanément un patient. Cette méthode est adaptée à un traitement automatique de données, ce qui permet d'éliminer une grande partie des jugements et erreurs humaines auparavant générés dans le diagnostic de ces maladies.

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