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ARCHIVED - Report on Sexually Transmitted Infections in Canada: 2008
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Figure 1
Reported Rates of Chlamydia by Sex and Overall, 1991 to 2008, Canada
Between 1991 and 1997, an overall decrease in the rates of chlamydia infection was seen in both sexes. From the period of 1997 to 2008, an increase in reported rates of chlamydia infection occurred. Overall, reported infection rates were higher among females than males.
Figure 2
Reported Rates of Chlamydia by Sex and Age Group, 2008, Canada
In 2008, the highest rates of chlamydia infection were reported for the younger population, particularly 20 to 24 year olds. Females experienced a higher reported rate of infection than their male counterparts.
Figure 3
Reported Rates of Chlamydia in Males by Age Group, 1999 to 2008, Canada
Over the past decade, males experienced increasing rates of chlamydia infection. The highest reported rates were seen in 20 to 24 year olds. The reported rate increased from 446.3 per 100,000 in 1999 to 884.2 per 100,000 in 2008.
Figure 4
Reported Rates of Chlamydia in Females by Age Group,1999 to 2008, Canada
Overall, females experienced increasing rates of chlamydia infection. Reported rates were highest among 15 to 24 year olds; however, the greatest absolute increase occurred in 20 to 24 year olds – the rate increased from 1064.6 per 100,000 in 1999 to 1824.3 per 100,000 in 2008.
Figure 5
Reported Rates of Gonorrhea by Sex and Overall, 1991 to 2008, Canada
From 1991 to 1997, males and females experienced an overall decline in the reported rates of gonorrhea infection. Between 1999 and 2008, reported rates of gonorrhea infection among males and females increased by 95.1% and 151.1%, respectively. Overall, the reported rate of infection was higher for males than for females.
Figure 6
Reported Rates of Gonorrhea by Sex and Age Group, 2008, Canada
In 2008, 71.5% of cases of gonorrhea infection occurred in people under 30 years of age. Among females, reported rates were highest for 15 to 19 year olds followed by 20 to 24 year olds. Among males, reported rates were highest for 20 to 24 year olds followed by 25 to 29 year olds.
Figure 7
Reported Rates of Gonorrhea in Males by Age Group, 1999 to 2008, Canada
Males experienced an overall increase in the rates of gonorrhea infection. The highest reported rates occurred in 20 to 24 year olds. The rate increased from 70.0 per 100,000 in 1999 to 165.4 per 100,000 in 2008.
Figure 8
Reported Rates of Gonorrhea in Females by Age Group, 1999 to 2008, Canada
Overall, females experienced increasing rates of gonorrhea infection. The greatest increase in reported rates was seen in 15 to 19 year olds. The rate increased from 79.5 per 100,000 in 1999 to 186.6 per 100,000 in 2008.
Figure 9
Antimicrobial Susceptibility of Neisseria Gonorrhoeae Strains Tested in Canada, 1999-2007
The antimicrobial susceptibility of Neisseria gonorrheae strains to penicillin, tetracycline, erythromycin, and ciprofloxacin fluctuated between 1999 and 2007.
Figure 10
Reported Rates of Infectious Syphilis by Sex and Overall, 1993 to 2008, Canada
Between 1993 and 2000, reported infectious syphilis rates remained relatively stable for both sexes. Between 1999 and 2008, reported rates among males and females increased by 870.7% and 123.4%, respectively. Over the past decade, the reported rate of infection was higher for males than for females.
Figure 11
Reported Rates of Infectious Syphilis by Sex and Age Group, 2008, Canada
In 2008, 73.6% of reported cases of infectious syphilis occurred in people over the age of 30. Overall, reported rates of infection are higher among males than females. The highest reported rates were among males aged 25 to 29 (13.3 per 100,000) and males aged 30 to 39 (13.3 per 100,000).
Figure 12
Reported Rates of Infectious Syphilis in Males by Age Group, 1999 to 2008, Canada
Over the past decade, males experienced increasing reported rates of infectious syphilis. The greatest absolute increase was reported for males aged 25 to 29 – the rate increased from 1.0 per 100,000 in 1999 to 13.3 per 100,000 in 2008.
Figure 13
Reported Rates of Infectious Syphilis in Females by Age Group, 1999 to 2008, Canada
Overall, the reported rates of infectious syphilis fluctuated between 1999 and 2008 among females. The greatest absolute increase was reported for females aged 20 to 24 – the rate increased from 1.2 per 100,000 in 1999 to 3.6 per 100,000 in 2008.
