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Table 1 The definition of some concepts in this paper

From: Liver injury in COVID-19: clinical features and treatment management

Classification Definition
Liver injury [3] ALT and/or AST over 3 × ULN, ALP, GGT, and/or TBIL over 2 × ULN
Hepatocellular [3] elevated ALT and/or AST more than 3 × ULN
Cholestatic [3] elevated ALP or GGT over twice the ULN
Mixed (Abnormality) [3] Both elevated ALT and/or AST more than 3 × ULN, and elevated ALP or GGT over twice the ULN
Cytokine Storm The inflammatory markers C-reactive protein (CRP), serum ferritin, LDH, D-dimer, IL-6 and IL-2 in severe COVID-19 patients are significantly increased
Mild cases of COVID-19 [4] patient can present as common symptoms: fever, dry cough, fatigue, headache, sore throat
Severe cases of COVID-19 [4] Patient who fits any one of the following condition:
1. Respiratory rate ≥ 30 breath/min
2. SpO2 ≤ 93%
3.PaO2/FiO2 ≤ 300 mmHg (1 mmHg = 0.133 kPa)