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.
Study Type
OBSERVATIONAL
Enrollment
1,000
Ruijin Hospital
Shanghai, China
28-day mortality
28-day mortality of severe and critical COVID-19
Time frame: one year
60-day mortality
60-day mortality of severe and critical COVID-19
Time frame: one year
ICU length of stay
ICU length of stay
Time frame: one year
the percentage of organ failure
the percentage of organ failure include respiratory，circulatory failure and so on
Time frame: one year
time for virus to turn negative
time for COVID-19 from positive to negative
Time frame: one year
The overall description
The overall description of the clinical characteristics in severe and critical covid-19
Time frame: one year
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