Screening for syphilis as part of HIV monitoring increases detection of early, asymptomatic syphilis among HIV positive homosexual men. Presentation given by Marcus Chen at the AFAO National Syphilis Forum, 23 October 2009.
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Screening for syphilis
1. Screening for syphilis as part of HIV monitoring increases detection of early, asymptomatic syphilis among HIV positive homosexual men Bissessor M 1 , Fairley CK 1,2 , Leslie D 3 , Boyd K 1 , Chen MY 1,2 1. Melbourne Sexual Health Centre 2. The University of Melbourne, School of Population Health 3. Victorian Infectious Diseases Reference Laboratory
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8. Frequency of syphilis testing No. HIV+ MSM Total no. syphilis tests Mean no. syphilis tests/man/year Before 444 862 2.0 After 587 1952 3.3
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10. Proportion with early, asymptomatic syphilis Before After Difference in proportion (95%CI) % MSM with early syphilis 3.1% (14/444) 8.1% (48/587) 5% (2% to 7%) (p=0.001) % early syphilis asymptomatic 21% (3/14) 85% (41/48) 64% (31%- 81%) p=0.006
11. Estimated Duration of infectivity Before After Days (range) 107 (9-362) 45 (23-325) p=0.018