Methods The data of the dead inpatient were classified and analysed according to the ICD 9 International Disease Classification.
方法应用ICD- 9国际疾病分类法，对住院死亡患者的资料进行归类和分析。
Methods Data from the life information system of Yuzhou during 1974 ~ 2003 were analyzed (with SAS 6.12). Death causes are classified with ICD-9 Classification Standard.
方法采用禹州市1974 ~ 2003年生命统计信息库资料，按照ICD - 9国际标准进行死因分类，用SAS 6.12进行数据分析。
Differential diagnosis algorithms have been moved to the front of the book, ICD-9 codes are highlighted, and there is additional coverage of complementary and alternative medicine.
鉴别诊断算法已经被移到书的前面，ICD - 9代码被强调，并且有补充医学和可选医学的增加承保范围。
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