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目的:分析流感病毒性肺炎与细菌性肺炎的临床特点。方法:回顾性分析中国医科大学附属盛京医院呼吸科2018年11月至2019年4月住院治疗的流感病毒性肺炎和细菌性肺炎患者共112例的临床资料，其中流感病毒性肺炎组40例、细菌性肺炎组72例，对两组患者的年龄、基础疾病、呼吸频率、全血淋巴细胞计数、氧和指数、胸部CT影像改变等临床特征进行分析比较，应用logistic回归统计分析流感病毒性肺炎的危险因素。结果:流感病毒性肺炎组与细菌性肺炎组年龄[(48.45±16.28)岁比(59.18±19.11)岁]、氧合指数[(267.5±90.7)mmHg比(368.6±47.6)mmHg]差异均有统计学意义(n t＝－2.997、－6.563，均n P<0.01)。胸部CT影像改变为磨玻璃影、多叶段受累是流感性病毒肺炎的危险因素(n OR＝12.491、20.001，均n P<0.05)。n 结论:与细菌性肺炎比较，病毒性肺炎患者多为中青年人，氧和指数低，胸部CT影像以磨玻璃影为主，病变呈多叶段分布。“,”Objective:To analyze the difference of clinical characteristics between influenza virus pneumonia and bacterial pneumonia.Methods:The clinical data of 112 patients with influenza virus pneumonia and bacterial pneumonia in Shengjing Hospital Affiliated to China Medical University from November 2018 to April 2019 were retrospectively analyzed.In accordance with the inclusion and exclusion criteria, 40 cases in influenza viral pneumonia group, and 72 cases in bacterial pneumonia group.The clinical data of age, underlying disease, respiratory rate, blood lymphocyte count, oxygen and index, chest CT imaging changes were analyzed in the two groups.Logistic regression was used to analyze the risk factors of influenza virus pneumonia.Results:Compared between the influenza virus pneumonia group and the bacterial pneumonia group, the differences in the age[(48.45±16.28)years vs.(59.18±19.11)years] and the oxygenation index[(267.5±90.7)mmHg vs.(368.6±47.6)mmHg] were statistically significant(n t=-2.997, -6.563, all n P<0.01). The changes of chest CT images with ground-glass opacity and involvement of multiple lobars were risk factors for influenza virus pneumonia(n OR=12.491, 20.001, all n P<0.05).n Conclusion:The young and middle age, low oxygenation index, the CT images of chest with ground-glass opacity, and the multi-lobar distribution of lesions are risk factors for influenza virus pneumonia.