Table 2.
Summary of STI program data needed to apply the averted cost formulas
| All women | Heterosexual men | Men who have sex with men | |
| Number of people treated: lab-confirmed infection | |||
| Chlamydia | X1 | Y1 | Z1 |
| Gonorrhea | X2 | Y2 | Z2 |
| Syphilis | X3 | Y3 | Z3 |
| Number of people treated: clinical diagnosis | |||
| Chlamydia | X4 | Y4 | Z4 |
| Gonorrhea | X5 | Y5 | Z5 |
| Syphilis | X6 | Y6 | Z6 |
| Number of partners treated* | |||
| Chlamydia | X7 | Y7 | Z7 |
| Gonorrhea | X8 | Y8 | Z8 |
| Syphilis | X9 | Y9 | Z9 |
| Number treated presumptively for chlamydia, based on gonorrhea diagnosis | X10 | Y10 | Z10 |
| Number treated presumptively for gonorrhea, based on chlamydia diagnosis | X11 | Y11 | Z11 |
| Number of people receiving HIV counseling and testing | X12 | Y12 | Z12 |
| Number of pregnant women treated for syphilis, lab-confirmed diagnosis | X13 | not applicable | not applicable |
| Number of pregnant women treated for syphilis, clinical diagnosis | X14 | not applicable | not applicable |
| Number of pregnant women treated for syphilis, partner notification | X15 | not applicable | not applicable |
*Refers to those treated because of sexual contact with an infected person. For example, X7 refers to the number of women treated for chlamydia because of sexual contact with an infected person. Syphilis cases include primary and secondary (P&S) syphilis only.