Categorisation of suspected patients based on case severity and risk factors for severe coronavirus disease 2019
| Mild risk | <65 years old AND Mild symptoms for <7 days: fever <38.5°C, anosmia, sore throat, cough, gastrointestinal AND No comorbidities# AND SpO2 >94% |
| Moderate risk | >65 years old OR Comorbidities# AND/OR Symptoms >7 days: fever >38.5°C, with/without dyspnoea (on exertion), anosmia, sore throat, cough, gastrointestinal AND SpO2 >94% |
| Severe risk | >65 years old AND Comorbidities# AND/OR Symptoms: with/without fever >38.5°C, dyspnoea at rest, anosmia, sore throat, cough, gastrointestinal AND SpO2 <94% |
SpO2: oxygen saturation measured by pulse oximetry. #: comorbidities include diabetes mellitus, cardiovascular disease (including hypertension), chronic respiratory disease, end-stage renal disease, obesity and immunocompromising conditions.