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Table 3 Subgroup analysis of individuals with HIV and incident syphilis infection based on virologic supressiona, patients not on antiretroviral therapy (ART) and those with repeat syphilis episodes

From: Increasing incidence of syphilis among patients engaged in HIV care in Alberta, Canada: a retrospective clinic-based cohort study

Episodes of syphilis in individuals with HIV that were not virologically suppressed, VL ≤ 40 copies/mL (n = 75/249) Number of Episodes Percentage
On ART 36 48
Not on ART 39 52
Episodes of syphilis in individuals with HIV that are not on ART (n = 48/249) Number of Episodes Percentage
Viral Load (range) copies/mL < 40–2,309,021  
≤ 40 2 4
41–399 4 8
400–10,000 18 38
≥ 10,000 24 50
Episodes of syphilis in individuals with HIV and repeat syphilis infections (n = 71/249) Number of Episodes Percentage
Virologic suppression (range) < 40–330,000  
Virologically suppressed 45 63
Not Virologically suppressed 26 37
On ART 58 82
Not on ART 13 18
  1. aHIV Virologic suppression defined as < 40 copies/mL