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Table 2 Summary of STI program data needed to apply the averted cost formulas

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

  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
  1. *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.