An Early Warning Model for Assessing the Onset, Progression and Sequelae of COVID-19

Based on the characteristics of symptoms, differences in physical and chemical examinations and tests, and characteristics of traditional Chinese medicine (TCM) disease differentiation and syndrome differentiation, the evaluation indicators for the clinical early warning model were screened, and the "three-level early warning mechanism for COVID-19 patients at high risks, with progression to severe cases and sequelae was constructed.

Inclusion Criteria:Meeting the diagnostic criteria of mild and moderate types of COVID-19 disease described in the "Diagnostic and Treatment Protocol for Novel Coronavirus Pneumonia (Trial version 9)" [9];Age ≥18 years old and ≤90years old;Not more than 5 days after the occurrence of the first symptom (or confirmed onset);The subject agrees to participate the study and have signed the informed consent form by paper signature, electronic signature of mobile software or voice authorization.Exclusion Criteria:Pregnant or lactating women;Patients complicated with severe heart, liver, kidney, blood system and other primary diseases and mental disorders.Patients with disturbance of consciousness, aphasia, dementia and other conditions that prevent them from cooperating with the clinical investigatorsPatients with incomplete study data.