When to use

• Use with patients admitted to A&E diagnosed with COVID-19

Why use

• Risk management of the mortality level in A&E for adult SAR CoV-2 positive patients.

Limitations

• Designed specifically for COVID-19 patients who presented themselves at A&E. This may not apply to patients seen in other setting.
• Requires only three predictors, besides Age and Sex. All three predictors are available under routine blood test.
• Patient population in the study had a median age of 73 years old, 63% Male, with an overall mortality of 33%. All patients were from England. Consider when applying this to your patient population.
• Externally validated.