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首页> 外文期刊>Journal of biomedical informatics. >Formalizing ICD coding rules using Formal Concept Analysis.
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Formalizing ICD coding rules using Formal Concept Analysis.

机译：使用形式概念分析形式化ICD编码规则。

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BACKGROUND: With the 11th revision of the International Classification of Disease (ICD) being officially launched by the World Health Organization (WHO), the significance of a formal representation for ICD coding rules has emerged as a pragmatic concern. OBJECTIVES: To explore the role of Formal Concept Analysis (FCA) on examining ICD10 coding rules and to develop FCA-based auditing approaches for the formalization process. METHODS: We propose a model for formalizing ICD coding rules underlying the ICD Index using FCA. The coding rules are generated from FCA models and represented in the Semantic Web Rule Language (SWRL). Two auditing approaches were developed focusing upon non-disjoint nodes and anonymous nodes manifest in the FCA model. The candidate domains (i.e. any three character code with their sub-codes) of all 22 chapters of the ICD10 2006 version were analyzed using the two auditing approaches. Case studies and a preliminary evaluation were performed for validation. RESULTS: A total of 2044 formal contexts from the candidate domains of 22 ICD chapters were generated and audited. We identified 692 ICD codes having non-disjoint nodes in all chapters; chapters 19 and 21 contained the highest proportion of candidate domains with non-disjoint nodes (61.9% and 45.6%). We also identified 6996 anonymous nodes from 1382 candidate domains. Chapters 7, 11, 13, and 17, have the highest proportion of candidate domains having anonymous nodes (97.5%, 95.4%, 93.6% and 93.0%) while chapters 15 and 17 have the highest proportion of anonymous nodes among all chapters (45.5% and 44.0%). Case studies and a limited evaluation demonstrate that non-disjoint nodes and anonymous nodes arising from FCA are effective mechanisms for auditing ICD10. CONCLUSION: FCA-based models demonstrate a practical solution for formalizing ICD coding rules. FCA techniques could not only audit ICD domain knowledge completeness for a specific domain, but also provide a high level auditing profile for all ICD chapters.
机译：背景：随着世界卫生组织（WHO）正式发布《国际疾病分类》（ICD）的第11版，对于ICD编码规则正式表示的重要性已成为一种务实的关注。目的：探讨形式概念分析（FCA）在检查ICD10编码规则中的作用，并开发基于FCA的审核方法以用于形式化过程。方法：我们提出了一种使用FCA对ICD索引基础的ICD编码规则进行形式化的模型。编码规则是从FCA模型生成的，并以语义Web规则语言（SWRL）表示。针对FCA模型中的非相交节点和匿名节点，开发了两种审核方法。使用两种审核方法分析了ICD10 2006版所有22章的候选域（即，任意三个字符代码及其子代码）。进行了案例研究和初步评估以进行验证。结果：从22个ICD章节的候选域中总共生成了2044个正式上下文并进行了审核。我们在所有章节中确定了692个具有不相交节点的ICD代码;第19和21章包含具有不相交节点的候选域的比例最高（分别为61.9％和45.6％）。我们还从1382个候选域中识别出6996个匿名节点。在第7、11、13和17章中，具有匿名节点的候选域的比例最高（97.5％，95.4％，93.6％和93.0％），而在第15和17章中，所有节点中的匿名节点的比例最高（45.5） ％和44.0％）。案例研究和有限的评估表明，FCA产生的不相交节点和匿名节点是审核ICD10的有效机制。结论：基于FCA的模型展示了一种用于形式化ICD编码规则的实用解决方案。 FCA技术不仅可以审核特定领域的ICD领域知识完整性，而且还可以为所有ICD章节提供高级审核概要。

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