Table 1

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 positive209/61234%
Identified types144/209
High risk HPV-DNA types†120/144
Low risk HPV-DNA types‡40/144
Unidentified types65/209
Borderline dyskaryosis (ASCUS/LSIL)9/6071.4%
Mild dyskaryosis (LSIL)18/6073%
Moderate dyskaryosis (HSIL)12/6072%
Severe dyskaryosis (HSIL)4/6070.7%
Candida spp258/65639%
Bacterial vaginosis138/66021%
Trichomonas vaginalis108/65616%
Neisseria gonorrhoeae and/or Chlamydia trachomatis49/6577%
Active syphilis (RPR+/TPHA+)¶55/6598%
Genital warts20/6603%
Any STI/RTI above533/64583%