cliot (version 1.0.0)

denver_hiv_risk_score: Denver HIV Risk Score

Description

Calculates the Denver HIV Risk Score to categorize patients into risk groups for HIV infection. This tool helps target HIV screening resources by identifying individuals with a higher pre-test probability of infection. The scoring algorithm differs for men and women.

Usage

denver_hiv_risk_score(age, sex, msm, injection_drug_use,
                      vaginal_anal_sex_no_condom, std_history)

Value

A list containing:

Denver_Score

The calculated risk score (Range 0-~80 depending on combinations).

Risk_Category

Classification (Low <20, Moderate 20-29, High 30-39, Very High 40-49, Extremely High >=50).

Estimated_Prevalence

Estimated prevalence of undiagnosed HIV in this risk group.

Arguments

age

Numeric. Patient age in years.

sex

String. Patient sex ("Male" or "Female").

msm

Numeric (0 or 1). For males: Sex with men? (1 = Yes).

injection_drug_use

Numeric (0 or 1). Injection drug use? (1 = Yes).

vaginal_anal_sex_no_condom

Numeric (0 or 1). Vaginal or anal sex without a condom? (1 = Yes).

std_history

Numeric (0 or 1). For females: History of sexually transmitted disease? (1 = Yes).

References

Haukoos JS, Hopkins E, Bender B, et al. Comparison of enhanced targeted rapid HIV screening using the Denver HIV Risk Score to nontargeted rapid HIV screening in the emergency department. Ann Emerg Med. 2013;61(3):353-361. doi:10.1016/j.annemergmed.2012.11.002

Examples

# Example 1: High Risk Male
# 35yo (+14), MSM (+18), Unprotected Sex (+12)
# Score = 44 (Very High Risk)
denver_hiv_risk_score(35, "male", 1, 0, 1, 0)

# Example 2: Moderate Risk Female
# 25yo (+3), IVDU (+21)
# Score = 24 (Moderate Risk)
denver_hiv_risk_score(25, "female", 0, 1, 0, 0)