Study on Appropriate Technology of Standardized Diagnosis and Treatment for Diabetic Patients With Pulmonary Infections

Focusing on patients with diabetes complicated with pulmonary infection, the purpose of this study is: 1) to identify the epidemiology, etiologic spectrum and status of diagnosis and treatment; 2) to develop a symptom score scale , clarify the risk factors and create a precise warning model; 3) to develop a rapid detection of pathogen of lower respiratory infection, to establish clinical pathways of early diagnosis and treatment of diabetes complicated with pulmonary infections (including bacterial, tuberculosis and fungal infections) and then make an application in clinic.