Results It was showed that the rate increased in the patients of old age, with severe stroke, and having some basic diseases such as diabetes, heart disease, tumor, immunity disease,old stroke.

• 结果高龄、病情重、原有糖尿病、心脏病、肿瘤、免疫系统疾病及中风史患者,其肺部感染率明显升高,并发肺部感染的脑卒中患者病死率明显升高。