Table 2. Demographics of cases of infectious syphilis in Ottawa.
| Characteristic | 2015 | 2016 | 2017 | 2018 | 2019 |
|---|---|---|---|---|---|
| Number of cases | 100 | 118 | 106 | 147 | 166 |
| Male | 98% | 95% | 93% | 97% | 90% |
| Female | 2% | 5% | 7% | 3% | 10% |
| Average age (years) | 46.8 | 41.1 | 38.9 | 38.0 | 39.6 |
| MSM | 86% | 84% | 87% | 91% | 73% |
| MSW | 4% | 7% | 4% | 4% | 13% |
| WSM | 1% | 5% | 5% | 3% | 10% |
| Bisexual | 8% | 4% | 4% | 2% | 4% |
| Previous STI | 64% | 64% | 72% | 65% | 60% |
| HIV+ | 38% | 36% | 36% | 30% | 20% |
Abbreviations: HIV+, human immunodeficiency virus-positive; MSM, men who have sex with men; MSW, men who have sex with women; STI, sexually transmitted infection; WSM, women who have sex with men