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COVID-19 AID Score

 

Input
 

Age		mo yr
MAP		Pascal cmH2O mmHg mm[Hg] torr
Creatinine		mcmol/L mg/dL mmol/L
Severe Hypoxia	No (0)
	Yes (1)

 
Results
 
Important: Inputs must be complete to perform calculation.

 

Odds 7 Day
Odds 14 Day
Mortality 7 Day		% fraction percent rate ratio
Mortality 14 Day		% fraction percent rate ratio
Decimal Precision   0 1 2 3

 

Data action

 
     
 
Include literature references: Yes   No

 

 

Notes

• This calculator represents findings from the literature referenced below. It is important to understand that these findings may not be representative of the experience in your local healthcare system.
• Severe Hypoxia is defined as requiring >4 L O₂, non-rebreather mask, BiPAP, or intubation to maintain O₂ saturation ≥90%, or failure to keep O₂ saturation ≥90%
• MAP: mean arterial pressure.

 
Equations used
 

Odds7Day = e((7.8913*ln(Age))+(-1.5434*ln(MAP))+(1.0738*KidneyFactor)+(0.9385*SevereHypoxia)-29.8233)

Odds14Day = e((6.4001*ln(Age))+(-1.2073*ln(MAP))+(1.0281*KidneyFactor)+(0.7977*SevereHypoxia)-24.17)

Mortality7Day = 100 * Odds7Day / (1 + Odds7Day)

Mortality14Day = 100 * Odds14Day / (1 + Odds14Day)

 

 

Calculation Details and Variables

• KidneyFactor is assigned values by this ordered logic:
  • If Creatinine ≥2 mg/dL, KidneyFactor = 1
  • Else KidneyFactor = 0.
• Equation parameters such as Severe Hypoxia, have two or more discrete values that may be used in the calculation. The numbers in the parentheses, e.g. (0), represent the values that will be used.

 

References

1. Hajifathalian K, Sharaiha RZ, Kumar S, et al. Development and external validation of a prediction risk model for short-term mortality among hospitalized U.S. COVID-19 patients: A proposal for the COVID-AID risk tool. PLoS One. 2020 Sep 30;15(9):e0239536. PubMed ID: 32997700

 

Associated Medical Subject Headings [MeSH]
 

80 and over,   Aged,   Betacoronavirus,   COVID-19,   Coronavirus Infections,   Female,   Hospital Mortality,   Hospitalization,   Humans,   Logistic Models,   Male,   Massachusetts,   Middle Aged,   New York,   Pandemics,   Pneumonia,   ROC Curve,   Regression Analysis,   Retrospective Studies,   Risk Assessment,   Risk Factors,   SARS-CoV-2,   United States,   Viral

 

Associated Logical Observation Identifiers Names and Codes [LOINC]
 

Parameter	LOINC's and Suggested Units
Age	21612-7 : yr      21612-7 : yr      21612-7 : years      30525-0 : Years old      30525-0 : yr      30525-0 : years
MAP	8478-0 : mmHg      8458-2 : mmHg      76214-6 : mmHg      75996-9 : mmHg      76536-2 : mmHg
Creatinine	2160-0 : mg/dL      38483-4 : mg/dL      14682-9 : mcmol/L      22726-4 : mcmol/L      59826-8 : mcmol/L

 
This material contains content from LOINC (http://loinc.org). LOINC is copyright © 1995-2023, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license. LOINC® is a registered United States trademark of Regenstrief Institute, Inc.