Multiple-Center Retrospective Study of Severe and Critical COVID-19 in Shanghai

Multiple-Center Retrospective Study of Severe and Critical COVID-19 in Shanghai

This study is to clarify the clinical characteristics of severe and critical COVID-19 from March 1st ,2022 to June 9th, 2022 in Shanghai and to explore the relationship between the characteristics and prognosis in these patients.

1. To Describe the clinical characteristics of severe and critical COVID-19.
2. To analyze the relationship between the clinical characteristics and their clinical prognosis;
3. To analyze the relationship between clinical intervention and their clinical prognosis.

Inclusion Criteria:

• severe and critical covid-19 patients who met the "Diagnosis and Treatment Plan for new Coronavirus Pneumonia (Ninth Edition)"
• admission time more than 24 hours

Exclusion Criteria:

• admission time less than 24 hours