Due to the development of the pandemic , the virus has constantly mutated, leading to a vast majority of mild cases. This has significantly increased the burden on medical personnel. The investigators are trying to find a way to track whether their clinical symptoms have worsened. At the same time, the investigators want to know the changes in patient symptoms in real-time through online monitoring This is a single-center retrospective study of a group of COVID-19 patients. Review their medical records, mainly based on hospital field records and existing physiological indicators of patients such as blood pressure, heart rate, respiratory rate, and consciousness status. The partients visited the hospital between March 2020 and September 2022. All patients were given physiological value indicators MEWS, qSOFA, and START for scoring and assess the clinical symptom deterioration of COVID-19 patients.
In this study, The investigators collect the physiological values of each patient and the data on the nursing records during hospitalization to judge whether the symptoms have worsened
