高龄老人死亡率与 Gompertz 模型理论与实证研究 经济外文翻译，管理外文翻译_论文天下网 关键词： Gompertz 模型、高龄死亡率、计算机仿真、最大概似估计、加权最小平方法 [gap=1297]Key Words: Gompertz’s law, mortality rates of the elderly, simulation, maximum likelihood, weighted least square
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结论高龄癌症病人施行d 2根治术是安全的，充分的术前准备和仔细的处理并发症是减少死亡率的关键。
Conclusion it is secure to perform D2 dissection on aged cancer patients. Preoperative preparation and careful treatment of complications are important to decrease the mortality.
结果高龄大肠癌患者入院前误诊率高（45 8% ） ，并存病多（6 9 4 % ） ，肿瘤切除率为92 9% ，围手术期死亡率为6 3% ，术后并发症发生率为2 9%。
Results Misdiagnosis rate was high(45.8%), most of patients complicated with other disease(69.4%), tumor resection rate was 92.9%, operation mortality 6.3%, post operation complication rate was 29%.
结果高龄肺部感染患者对药物治疗反应性差、治愈率低，住院死亡率约2 6。
Results Their mortality amounted to 26.9 % with low cure rate and little reaction to treatment.
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