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目的：将华盛顿大学医学院的JF Piccirillo教授的并存疾病研究指数——成人并存疾病评价指数27条目（adult comorbidity evaluation-27，ACE-27）翻译为中文简体版，研究中国口腔癌患者的并存疾病状况，完善癌症分期及判断预后。方法获得JF Piccirillo教授许可，经过翻译、回译和临床调查完善语义分析，由专家委员会审阅并建立量表。向2011年3月1日至2011年3月31日于北京大学口腔医学院·口腔医院口腔颌面外科第四病区入院的154例患者进行量表问卷调查，进行量表的复测信度检验、内部一致性信度检验、内容效度检验及结构效度检验。结果建立ACE-27指数中文简体版，其内部一致性信度克朗巴赫系数α为0.821，结构效度KMO（Kaiser-Meyer-Olkin）值为0.859。结论ACE-27指数中文简体版具有较好的信度与效度，是适用于口腔癌并存疾病评估的有效量表指数。

Objective To translate the adult comorbidity evaluation-27(ACE-27) index authored by professor JF Piccirillo into Chinese and for the purpose of assessing the possible impact of comorbidity on survival of oral cancer patients and improving cancer staging. Methods The translation included the following steps, obtaining permission from professor Piccirillo, translation, back translation, language modification, adjusted by the advice from the professors of oral and maxillofacial surgery. The test population included 154 patients who were admitted to Peking University of Stomatology during March 2011. Questionnaire survey was conducted on these patients. Retest of reliability, internal consistency reliability, content validity, and structure validity were performed. Results The simplified Chinese ACE-27 index was established. The Cronbach'sαwas 0.821 in the internal consistency reliability test. The Kaiser-Meyer-Olkin (KMO) value of 8 items was 0.859 in the structure validity test. Conclusions The simplified Chinese ACE-27 index has good feasibility and reliability. It is useful to assess the comorbidity of oral cancer patients.