Objective To explore the risk factors of morality of community-acquired pneumonia(CAP) in the elderly. Methods Logistic regression model was used to analyze the risk factors of mortality of 98 CAP cases,69 males and 29 females,aged (75.1±6.7 ) (65-91). Results The mortality of these patients was 12.2％. Univariate analysis showed that bed confinement, number of underlying diseases, existence of complicated neurological and respiratory disease, conscious disturbance,albumin value ＜ 30g/L, urea nitrogen ＞ 10.35mmoL/L, high scores in PSI ( Pneumonia Severity Index) and CURB-65 ( Confusion, Uremia, Respiratory rate, Low blood pressure, Age 65 years or greater ) were the risk factors of the mortality of CAP in the elderly. Conclusions PSI and CURB-65 scoring system is able to assess the prognosis of CAP;There were two independent risk factors:conscious disturbance and urea nitrogen ＞ 10.35 mmol/L.%目的 探索影响老年人社区获得性肺炎(CAP)预后的危险因素.方法 使用Logistic回归模型分析98例CAP患者,男69例,女29例,(75.1±6.7)(65～91)岁预后的危险因素.结果:病死率为12.2%,单因素分析发现卧床、合并基础疾病的数量、合并神经系统及呼吸系统疾病、是否发生意识障碍、血白蛋白＜30g/L、尿素氮＞10.35 mmol/L,PSI和CURB-65评分系统较高均为影响病死率的危险因素.结论 PSI和CURB-65评分系统可以评估CAP预后;而意识障碍及尿素氮＞10.35mmol/L为其预后差的独立危险因素.
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