Chen et al reported 2 scores for evaluating patients with COVID-19 on hospital admission. The CAN score helps to identify a patient at higher risk of mortality. The authors are from Hubei University, China Three Gorges University, University of Chinese Academy of Sciences, and affiliated institutions in China.
Patient selection: COVID-19 on admission
CAN is an acronym for CK and creatinine, albumin and NLR.
Parameters on admission:
(1) neutrophil-to-lymphocyte ratio (NLR)
(2) serum albumin in g/L
(3) serum creatinine in µmol/L
(4) serum CK in U/L
Parameter
Finding
Points
NLR
< 7
1
>= 7
5
serum albumin
>= 38 g/L
1
< 38 g/L
2
serum creatinine
< 80 µmol/L
1
>= 80 µmol/L
8
serum CK
< 106 U/L
1
>= 106 U/L
4
total score =
= SUM(points for all 4 parameters)
Interpretation:
• minimum score: 4
• maximum score: 19
• A score < 15 is low risk for mortality (< 1%).
• A score >= 15 is higher risk for mortality (27%).
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