In China, the data about current management of patients hospitalized with community acquired pneumonia (CAP) in the real-life setting is not available,type of pneumonia, selection of initial antibiotic, time to clinical stability, antibiotic choice anf modification,clinical outcomes and costs remain unclear.~In this study, we will collect comprehensive information on CAP and healthcare associated pneumonia (HCAP) management patterns to evaluate the disease burden of hospitalized patients with CAP and HCAP in real life of China .to analyze microbiological characteristics,clinical manifestations,antibiotic regimens ,adherences to guidelines and effect on outcome in different groups of patients with CAP (> and = 65 years, different comorbidities ,risk factors) ,to investigate microbiological characteristics,clinical manifestations,antibiotic regimens ,adherences to guidelines and effect on outcome in different groups of disease severity with CAP ,to provide the difference on microbiological characteristics,clinical manifestations,antibiotic regimens ,and outcome between patients with CAP and HCAP ,to understand the current situation of antibiotic regimen ,to evaluate influence of different antibiotic regimens on prognosis.
The purpose of this study is to evaluate the disease burden of hospitalized patients with CAP and HCAP in real life of China