广东省是世界上鼻咽癌的最高发地区,该肿瘤又被称为广东瘤,由于其预后不良,且平均发病年龄为45岁,因此对我省广大群众的生命和劳动力造成重大的危害。多年来,鼻咽癌的研究一直受到国家科委、卫生部以及我省有关部门的高度重视。本研究首次将Ｃｏｘ回归模型运用于临床研究... Guangdong Province is the highest incidence of nasopharyngeal carcinoma in the world. The tumor is also known as Guangdong tumor. Because of its poor prognosis and average age of onset of 45 years, Guangdong Province has caused great harm to the lives and workforce of the broad masses in our province. Over the years, the study of nasopharyngeal carcinoma has been highly valued by the State Science and Technology Commission, the Ministry of Health and the relevant departments of our province. This study for the first time used Cox regression model in clinical research ...