ToolsCalculators
Menza Score for HIV risk among MSM
Menza Score for HIV risk among MSM
Bacterial STI diagnosed (gonorrhoea, chlamydia or syphilis)
Methamphetamine or inhaled nitrite (popper) use in prior 6 months
10 or more male sex partners in prior year
Condomless anal intercourse with HIV-positive or unknown-status partner in prior year
Result0 points
No weighted risk factors identified; routine prevention counselling.
- PrEP threshold
- Not met
When to use
- Identifying men who have sex with men at elevated HIV risk who may benefit from PrEP.
Formula
Points: bacterial STI 4; methamphetamine/nitrite use 3 -> weighted 11; >=10 partners 3; condomless anal intercourse with serodiscordant partner 1. Range 0-19; >=1 = high risk.
Pearls and pitfalls
- Derived and validated in an STD-clinic and HIV-prevention-trial cohort; modest discrimination (AUC ~0.67).