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Table 2 Proportion of at least one STDa among symptomaticb and asymptomatic MSM, INI/Fiocruz, Rio de Janeiro,Brazil

From: Chlamydia trachomatis, Neisseria gonorrhoeae and syphilis among men who have sex with men in Brazil

At least one STD

Symptomaticb, n (%)

Asymptomatic, n (%)


15 (28.8)

37 (17.5)


37 (71.2)

174 (82.5)


52 (100.0)

211 (100.0)

  1. aAt Least One STD = Chlamydia/Gonoccocal urethral and/or anal infection or Syphilis
  2. bSyntomatic = report of uretrhal/anal discharge, anal or genital nodule, anal or genital ulcer, spontaneous anal pain, tenesm and, anal pruritis