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Table 2 Characteristics of HIV+ patients active in care at SAC or CSTI at time of their syphilis diagnosis between 1/1/2006 and 12/31/2016. (Note − 158 patients had a single syphilis episode; 36 patients had more than 1 episode. N = 249 syphilis episodes total)

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

Length of time in years between HIV diagnosis and Syphilis diagnosis (n = 249)

Mean (range)

7.7 (0.1–25.6)

< 1 year (N/%)

26 (10)

1–5 years

82 (33)

6–10

64 (26)

> 10 years

77 (31)

Age in years at time of each Syphilis diagnosis (n = 249)

Mean (range)

47 (21–72)

< 30 (N/%)

43 (17)

30–39

74 (30)

40–49

81 (33)

50–59

37 (15)

> 59

14 (6)

Length of time in years followed in care at SAC (n = 249)

Mean (range)

4.9 (0.1–23.3)

< 1 (N/%)

77 (31)

1–5

101 (41)

6–10

31 (12)

11–15

24 (10)

> 15

16 (6)

Number of self-reported sexual partners within the preceding 6 months of a syphilis diagnosis (n = 193)

Mean (range)

4.7 (0–50)

0 (N/%)

14 (7)

1–5

144 (75)

6–10

15 (8)

11–15

6 (3)

16–20

8 (4)

> 20

6 (3)