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Table 1 Characteristics of 4,232 HIV-positive participants in the OHTN Cohort Study, 2000-2009

From: Patterns of syphilis testing in a large cohort of HIV patients in Ontario, Canada, 2000–2009

 

n

%

Female

608

14.4%

HIV exposure category

  

  MSM

2647

62.5%

  MSM-IDU

207

4.9%

  IDU

319

7.5%

  Endemic

330

7.8%

  Heterosexual

447

10.6%

  Other risk

146

3.4%

  Unknown risk

136

3.2%

Region of Ontario

  

  Toronto

2680

63.3%

  Ottawa

508

12.0%

  Other

1044

24.7%

Ethnicity

  

  White

2854

67.4%

  Black/African

409

9.7%

  Multiple

318

7.5%

  Aboriginal

247

5.8%

  Other

235

5.6%

  Unknown

169

4.0%

Any HIV antiretroviral medication during follow-up

3739

88.3%

Mean age at baseline* (SD)

43.5

(9.6)

Median year of HIV diagnosis (IQR)

1995

(1990–2001)

Median # months of prospective follow-up (IQR)

22

(13–89)

Mean CD4 cell count/mm3 at baseline* (SD)

455

(266)

Median log10 viral load at baseline* (IQR)

1.4

(1.4-3.7)

  1. MSM, men who have sex with men. IDU, injection drug user. SD, standard deviation. IQR, interquartile range.
  2. * Baseline = later of January 1, 2000 or enrolment date.