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Would Targeting Increase Efficiency of Syphilis Partner Services Programs?—Data From New York City, Philadelphia, Texas, and Virginia

Background Targeted partner notification (PN), or limiting PN to groups in which efforts are most successful, has been suggested as a potentially cost-effective alternative to providing PN for all syphilis case-patients. The purpose of this study was to identify index case characteristics associated with highest yield partner elicitation and subsequent case finding to determine whether some groups could be reasonably excluded from PN efforts. Methods We examined index case characteristics and PN metrics from syphilis case management records of 4 sexually transmitted disease control programs—New York City, Philadelphia, Texas, and Virginia. Partner elicitation was considered successful when a case-patient named 1 or more partners during interview. Case finding was considered successful when a case-patient had 1 or more partners who were tested and had serologic evidence of syphilis exposure. Associations between case characteristics and proportion of pursued case-patients with successful partner elicitation and case finding were evaluated using &khgr;2 tests. Results Successful partner elicitation and new case finding was most likely for index case-patients who were younger and diagnosed at public sexually transmitted disease clinics. However, most characteristics of index case-patients were related to success at only a few sites, or varied in the direction of the relationship by site. Other than late latent case-patients, few demographic groups had a yield far below average. Conclusions If implemented, targeted PN will require site-specific data. Sites may consider eliminating PN for late latent case-patients. The lack of demographic groups with a below average yield suggests that sites should not exclude other groups from PN.