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Table 3 Incidence of Anorectal chlamydia, syphilis and HCV infection 2008 to 2015

From: Predictors and incidence of sexually transmitted Hepatitis C virus infection in HIV positive men who have sex with men

 

Anorectal Chlamydia

 

Syphilis

 

HCV

 

Yeara

PY

No. of cases

Incidence, per 100 patient years (p = 0.037)b

Testing interval, Median, days (IQR)

PY

No. Of cases

Incidence, per 100 patient years (p = 0.035)b

Testing interval, Median, days (IQR)

PY

No. of cases

Incidence, per 100 patient years (p = 0.741)b

Testing interval, Median, days (IQR)

2008

139

10

7.2 (4.9–9.5)

143 (91–252)

511

27

5.3 (4.3–6.3)

77 (43–99)

5

0

-

 

2009

167

14

8.4 (6.2–10.7)

152 (87–347)

580

22

3.8 (3.0–4.6)

77 (42–98)

68

2

2.9 (0.9–5.0)

179 (76–364)

2010

158

18

11.4 (8.7–14.1)

169 (106–322)

672

18

2.7 (2.0–3.3)

79 (49–99)

308

4

1.3 (0.6–1.9)

342 (186–423)

2011

284

23

8.1 (6.4–9.8)

114 (83–252)

718

29

4.0 (3.3–4.8)

84 (48–105)

449

7

1.6 (1.0–2.1)

325 (167–399)

2012

305

27

8.9 (7.2–10.6)

112 (78–187)

747

33

4.4 (3.7–5.2)

83 (46–112)

423

6

1.4 (0.8–2.0)

292 (144–393)

2013

399

38

9.5 (8.0–11.1)

98 (65–168)

810

59

7.3 (6.3–8.2)

83 (41–112)

526

2

0.4 (0.1–0.6)

336 (212–398)

2014

395

44

11.1 (9.5–12.8)

99 (55–151)

895

56

6.3 (5.4–7.1)

84 (43–119)

569

7

1.2 (0.8–1.7)

299 (179–392)

2015

480

64

13.3 (11.7–15.0)

97 (56–169)

880

87

9.9 (8.8–10.9)

87 (48–135)

579

6

1.0 (0.6–1.5)

292 (157–374)

  1. Notes
  2. Incidence was calculated only from testing periods beginning after January 1 2000
  3. a Year of the case diagnosis
  4. bLinear regression for association between incidence rate and year