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一、资料和方法 通过各医院病案统计科 ,采用计算机对昆明市 10家省、市级医院 1998～ 1999年的住院患者进行筛选 ,其中年龄≥ 6 0岁、常住户口为昆明市的老年死亡患者共 2 6 2 6例 ,男1795例 ,女 831例。收集其病历资料 ,采用国际疾病分类法第 9版 (ＩＣＤ 9)进行疾病分类
I. Data and Methods Screening of hospitalized patients from 10 provinces and municipal hospitals in Kunming from 1998 to 1999 through computerized disease statistics departments of various hospitals, including elderly death patients aged 60 years or older and with a permanent residence of Kunming City A total of 2626 cases, 1795 males and 831 females. Collect medical records and use International Classification of Diseases (ICD 9) for disease classification