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Table 3 Summary of the estimated numbers of infected people treated for sexually transmitted infections

From: Formulas for estimating the costs averted by sexually transmitted infection (STI) prevention programs in the United States

Symbol Description Formula
Cw Number of women with chlamydia treated X1 + 0.2(X4) + 0.57(X7) + 0.42(X10)
Ĉw Number of women with chlamydia treated, excluding partner services X1 + 0.2(X4) + 0.42(X10)
Cm Number of heterosexual men with chlamydia treated Y1 + 0.35(Y4) + 0.57(Y7) + 0.2(Y10)
Ĉm Number of heterosexual men with chlamydia treated, excluding partner services Y1 + 0.35(Y4) + 0.2(Y10)
Cmsm Number of MSM with chlamydia treated Z1 + 0.35(Z4) + 0.57(Z7) + 0.2(Z10)
Ĉmsm Number of MSM with chlamydia treated, excluding partner services Z1 + 0.35(Z4) + 0.2(Z10)
Gw Number of women with gonorrhea treated X2 + 0.2(X5) + 0.46(X8) + 0.15(X11)
Ĝw Number of women with gonorrhea treated, excluding partner services X2 + 0.2(X5) + 0.15(X11)
Gm Number of heterosexual men with gonorrhea treated Y2 + 0.35(Y5) + 0.46(Y8) + 0.15(Y11)
Ĝm Number of heterosexual men with gonorrhea treated, excluding partner services Y2 + 0.35(Y5) + 0.15(Y11)
Gmsm Number of MSM with gonorrhea treated Z2 + 0.35(Z5) + 0.46(Z8) + 0.15(Z11)
Ĝmsm Number of MSM with gonorrhea treated, excluding partner services Z2 + 0.35(Z5) + 0.15(Z11)
Sw Number of women with syphilis treated X3 + 0.7(X6) + 0.3(X9)
Ŝw Number of women with syphilis treated, excluding partner services X3 + 0.7(X6)
Sm Number of heterosexual men with syphilis treated Y3 + 0.7(Y6) + 0.3(Y9)
Ŝm Number of heterosexual men with syphilis treated, excluding partner services Y3 + 0.7(Y6)
Smsm Number of MSM with syphilis treated Z3 + 0.7(Z6) + 0.3(Z9)
Ŝmsm Number of MSM with syphilis treated, excluding partner services Z3 + 0.7(Z6)
  1. The Xi, Yi, and Zi terms are defined in Table 2. Syphilis cases include primary and secondary (P&S) syphilis only.