Local phylogenetic analysis identifies distinct trends in transmitted HIV drug resistance: implications for public health interventions

Table 1 Comparison of HIV epidemiologic characteristics of study patients with provincial surveillance report

	Ontario¹		Ottawa¹		Clinic Cohort (n=196)		Clinic Cohort with Genotyping (n=155)
	No.	%	No.	%	No.	%	No.	%
Gender
M	7134	74.7	116	70.3	141	71.9	115	74.2
F	2411	25.3	49	29.7	55	28.1	40	25.8
Age at diagnosis
0-19	634	2.1	N/A	N/A	6	3.1	5	3.2
20-29	7053	23.7	N/A	N/A	41	20.9	31	20.0
30-39	11251	37.8	N/A	N/A	73	37.2	61	39.4
40-49	6046	20.3	N/A	N/A	49	25.0	40	25.8
50<	2430	8.2	N/A	N/A	26	13.3	18	11.6
Unclear	2373	8	N/A	N/A	1	0.5	0	0.0
Exposure category
MSM	4391	45.1	56	34.1	76	38.8	61	39.4
IDU	715	7.3	22	13.4	24	12.2	18	11.6
MSM/IDU	248	2.5	4	2.4	3	1.5	2	1.3
HIV-endemic	2236	23.0	54	32.9	44	22.4	34	21.9
Heterosexual	1825	18.7	25	15.2	44	22.1	35	22.6
Other	327	3.4	3	1.8	1	0.5	1	0.6
Unclear	0	0.0	0	0	4	2.0	4	2.6

N/A information not provided.
¹ Source: 2008 Report on HIV/AIDS in Ontario, Ontario HIV Epidemiologic Monitor Unit.

ISSN: 1471-2334