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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