Table 3.
Prevalence of syphilis, coinfections and point mutations in the Treponema pallidum 23S rRNA gene in female sex workers from the Marajó Archipelago, in northern Brazil
| Prevalence | |||
|---|---|---|---|
| Diagnosis | Positive/Total | % | 95% CI |
| Syphilis | 74/180 | 41.1 | 38.3 to 44.8% |
| Wild strain* | 50/68 | 77.0 | 73.2 to 81.4% |
| A2058G or A2059G mutant strain | 16/68 | 23.5 | 20.3 to 26.4% |
| A2058G mutant strain | 5/68 | 7.4 | 3.2 to 12.2% |
| A2059G mutant strain | 6/68 | 8.8 | 4.9 to 13.0% |
| A2058G+A2059G mutant strains | 5/68 | 7.4 | 3.2 to 12.2% |
| Coinfections | 23/74 | 31.1 | 28.2 to 33.5% |
| HBV-TP | 17/74 | 23.0 | 19.8 to 25.7% |
| HCV-TP | 6/74 | 8.1 | 4.6 to 10.9% |
| HBV-HCV-TP | 2/74 | 2.7 | 0.0 to 6.6% |
HBV: hepatitis B virus; HCV: hepatitis C virus; TP: Treponema pallidum.
*
No mutations (A2058G or A2059G).