Parameter | Value applied | Â | Range applied |
---|---|---|---|
Direct medical costs | Females | Males | Â |
Average cost per case of PID [23–25] | $1,995 | not applicable | ± 50% |
Average cost per case of epididymitis [26] | not applicable | $274 | ± 50% |
Average sequelae costs per case of syphilis [5] | $572* | $572* | ± 50% |
Average cost per case of chlamydia [5] | $315 | $26 | ± 50% |
Average cost per case of gonorrhea [5] | $343 | $68 | ± 50% |
Average cost per case of syphilis [5] | $572* | $572* | ± 50% |
Average cost per case of HIV [6] | $198,471 | $198,471 | ± 50% |
Average cost per case of congenital syphilis [1,64,65] | $6,738 | $6,738 | ± 50% |
Indirect (lost productivity) costs | Â | Â | Â |
Average cost per case of HIV [6] | $831,614 | $831,614 | ± 50% |
Average cost per untreated case of chlamydia [85] | $148 | $13 | ± 50% |
Average cost per untreated case of gonorrhea** | $171 | $34 | ± 50% |
Average cost per untreated case of syphilis** | $112* | $112* | ± 50% |
Average cost per case of chlamydia** | $47 | $10 | ± 50% |
Average cost per case of gonorrhea** | $47 | $10 | ± 50% |
Average cost per case of syphilis** | $112* | $112* | ± 50% |
Average cost per case of congenital syphilis** | $60,421 | $60,421 | ± 50% |
Other parameters | Â | Â | Â |
Absolute reduction in probability of sequelae due to treatment: chlamydia** | 0.16 | 0.03 | ± 90% |
Absolute reduction in probability of sequelae due to treatment: gonorrhea** | 0.14 | 0.03 | ± 90% |
Adjustment to chlamydia costs averted to account for gonorrhea coinfection** | 0.925 | 0.925 | ± 5% |
Adjustment to gonorrhea costs averted to account for chlamydia coinfection** | 0.79 | 0.90 | ± 5% |
Adjustment to account for reinfection: gonorrhea and chlamydia** | 0.70 | 0.70 | ± 25% |
Probability of congenital syphilis given untreated syphilis in mother [63] | 0.50 | not applicable | ± 50% |
Number of cases of STI averted in population per STI case treated** | 0.50 | 0.50 | ± 90% |
Probability of a new case of HIV attributable to chlamydia [70] | 0.0011 | 0.0011 | ± 90% |
Probability of a new case of HIV attributable to gonorrhea [70] | 0.0007 | 0.0007 | ± 90% |
Probability of a new case of HIV attributable to syphilis [70] | 0.02386 | 0.02386 | ± 90% |
Adjustment for time frame for STI-attributable HIV infections** | 0.25 | 0.25 | ± 90% |
Adjustment for partner overlap (heterosexuals) [67] | 0.75 | 0.75 | ± 25% |
Adjustment for partner overlap (MSM)** | not applicable | 0.50 | ± 25% |
Additional adjustment for averted HIV costs for MSM** | not applicable | 0.25 | not varied |
HIV cases averted per person counseled and tested [78,81] | 0.00045 | 0.00045 | ± 90% |
Adjustment for repeat counseling and testing** | 0.875 | 0.875 | ± 10% |