PROBLEM TO BE SOLVED: To provide a medical information processing system providing the reliability degree of a diagnosed result corresponding to a diagnosing person.SOLUTION: The medical information processing system comprises: a diagnosing information storage part for storing the frequency of the match of an established diagnosed result and an initial diagnosed result corresponding to the diagnosing person who produces the initial diagnosed result a diagnosed result acquisition part for acquiring the initial diagnosed result produced by each of the plurality of diagnosing persons for the same diagnosing object a reliability degree calculation part for calculating the reliability degree of the initial diagnosed result acquired by the diagnosed result acquisition part on the basis of the frequency stored in the diagnosing information storage part corresponding to the diagnosing person who produces the initial diagnosed result and an output part for outputting the initial diagnosed result acquired by the diagnosed result acquisition part corresponding to the reliability degree calculated by the reliability degree calculation part.COPYRIGHT: (C)2009,JPO&INPIT【課題】診断者に応じた診断結果の信頼度を提供することができる医用情報処理システムを提供すること。【解決手段】医用情報処理システムは、初期診断結果を下した診断者に対応づけて、確定診断結果と初期診断結果とが一致した頻度を格納する診断情報格納部と、同一の診断対象について、複数の診断者のそれぞれが下した初期診断結果を取得する診断結果取得部と、診断結果取得部が取得した初期診断結果の信頼度を、当該初期診断結果を下した診断者に対応づけて診断情報格納部が格納している頻度に基づいて算出する信頼度算出部と、診断結果取得部が取得した初期診断結果を、信頼度算出部が算出した信頼度に応じて出力する出力部とを備える。【選択図】図2