utah_covid_risk_score: Utah COVID-19 Risk Score

In cliot: Clinical Indices and Outcomes Tools

Utah COVID-19 Risk Score

Description

Calculates the Utah COVID-19 Risk Score to predict the probability of hospitalization in patients with COVID-19. The score uses age, sex, and comorbidities to stratify patients into Low, Medium, or High risk categories.

Usage

utah_covid_risk_score(age, sex, congestive_heart_failure, copd, diabetes,
                      hypertension, immunosuppression)

Arguments

age	Numeric. Patient age in years. 18-39: 0 pts 40-49: 1 pt 50-59: 2 pts 60-69: 3 pts 70-79: 4 pts >=80: 5 pts
sex	String. Patient sex ("Male" or "Female"). (Male: +1 pt).
congestive_heart_failure	Numeric (0 or 1). History of congestive heart failure. (1 = Yes, +1 pt).
copd	Numeric (0 or 1). History of COPD. (1 = Yes, +1 pt).
diabetes	Numeric (0 or 1). History of diabetes. (1 = Yes, +1 pt).
hypertension	Numeric (0 or 1). History of hypertension. (1 = Yes, +1 pt).
immunosuppression	Numeric (0 or 1). Immunocompromised state (e.g., cancer treatment, solid organ transplant, immunodeficiencies). (1 = Yes, +1 pt).

Value

A list containing:

Utah_Risk_Score	The calculated total score (Range 0-11).
Risk_Level	Risk classification (Low <= 0, Medium 1-2, High >= 3).

References

Knight SR, Ho A, Pius R, et al. Risk stratification of patients admitted to hospital with covid-19 using the ISARIC WHO Clinical Characterisation Protocol: development and validation of the 4C Mortality Score. BMJ. 2020;370:m3339. (Context of similar risk stratification approaches). Review of Utah Healthcare Guidance.

Examples

# Example 1: High Risk
# 75yo Male (+4 Age, +1 Sex), Hypertension (+1)
# Score = 6
utah_covid_risk_score(75, "male", 0, 0, 0, 1, 0)

# Example 2: Low Risk
# 30yo Female, No comorbidities
# Score = 0
utah_covid_risk_score(30, "female", 0, 0, 0, 0, 0)

cliot documentation built on Dec. 1, 2025, 1:06 a.m.