Special features of SARS-CoV-2 in daily practice

Table 1 Main clinical manifestations according to the Chinese Center for Disease Control and Prevention

Mild disease, 81%	Severe disease, 14%	Critical disease, 5%
Non-pneumonia; Mild pneumonia	Dyspnoea; Respiratory distress; Respiratory rate ≥ 30 per min; Oxygen saturation ≤ 93% at rest state; PaO2/FiO2 ≤ 300 mmHg, 1 mmHg = 0.133 kPa	Patients needing ICU: Respiratory failure needing mechanical; Ventilation; Septic shock; MOD or MOF

FiO2: Fraction of inspiration O₂; ICU: Intensive care unit; MOD: Multiple organ dysfunction; MOF: Multiple organ failure; PaO₂: Arterial partial pressure of oxygen.