COSA Score calculator 

 

Description

Predict likelihood of severe clinical outcomes (death of any cause / need for intensive care) in patients with positive SARS-CoV-2 PCR. Link to publication (Schöning et al., J Transl Med 19, 56 (2021)).

 

Usage

Parameter
 Value
 Units
 Cut-off
Scoring
Male sex
 
 check if yes
 Male sex
1 point     
CRP (max)
 
 mg/L
 ≥ 25 mg/L
3 points  
Leucocytes (max)
 
 G/L
 ≥ 10 G/L
2 points  
Sodium (max)
 
 mmol/L
 ≥ 144 mmol/L
1 point
Glucose (max)
 
 mmol/L
 ≥ 8.6 mmol/L
1 point
Hemoglobin (min)
 
 g/L
 ≤ 100 g/L
1 point   
eGFR (CKD-EPI, min)
 
 mL/min
 ≤ 75 mL/min
1 point



Total score per patient

0-3 points: low risk for severe COVID-19 (<5%) 

4-5 points: moderate risk for severe COVID-19 (<50%)

6-7 points: high risk for severe COVID-19 (>50%)

8-10 points: very high risk for severe COVID-19 (>90%)

Contact: Felix Hammann