Under the most favourable scenario the cost per HIV infection averted in health care workers was $183,000 (baseline $753 million and worst case $74 trillion). The cost per HIV infection detected under the baseline assumptions was $16,104. This figure varied from $197 under best case scenario to $1,070,062 under the worst case scenario of a 1 year programme with 10% seroprevalence.
The final results were more sensitive to the level of inpatient HIV seroprevalence assumed than any other input variable.