Prevalence of HPV infection, cervical dysplasia, and other sexually transmitted or reproductive tract infections (STI/RTI) among antenatal clinic attenders in Mwanza, Tanzania
| No infected/total* | Prevalence | |
|---|---|---|
| *Denominators vary for HPV, SIL, HIV, and STI, as results are missing for some women. | ||
| †HPV high risk group includes HPV types 16, 18, 26, 31, 33, 35, 39, 45, 51, 52, 55, 56, 58, 59, 68, mm4, mm7, mm9. | ||
| ‡HPV low risk group includes HPV types 6, 11, 53, 54, 66, mm8. | ||
| §Note, both UK reporting criteria for dysplasia11 and equivalent categories in the Bethesda classification in parentheses12 are reported in this table. | ||
| ¶SIL = squamous intraepithelial lesions; LSIL = low grade SIL; HSIL = high grade SIL; ASCUS = atypical squamous cells of uncertain significance. | ||
| ¶“Active syphilis”: any dual positivity on RPR (whatever the titre) and TPHA. | ||
| HPV-DNA positive | 209/612 | 34% |
| Identified types | 144/209 | |
| High risk HPV-DNA types† | 120/144 | |
| Low risk HPV-DNA types‡ | 40/144 | |
| Unidentified types | 65/209 | |
| SIL§¶ | 43/607 | 7.1% |
| Borderline dyskaryosis (ASCUS/LSIL) | 9/607 | 1.4% |
| Mild dyskaryosis (LSIL) | 18/607 | 3% |
| Moderate dyskaryosis (HSIL) | 12/607 | 2% |
| Severe dyskaryosis (HSIL) | 4/607 | 0.7% |
| HIV | 100/655 | 15% |
| Other STI/RTI | ||
| Candida spp | 258/656 | 39% |
| Bacterial vaginosis | 138/660 | 21% |
| Trichomonas vaginalis | 108/656 | 16% |
| Neisseria gonorrhoeae and/or Chlamydia trachomatis | 49/657 | 7% |
| Active syphilis (RPR+/TPHA+)¶ | 55/659 | 8% |
| Genital warts | 20/660 | 3% |
| Any STI/RTI above | 533/645 | 83% |