BACKGROUND: In many developing countries, STD control efforts often involve registration and periodic examinations of female sex workers (FSW). Non-availability of sensitive and specific diagnostic tests frequently constrain this approach. METHODS: A model for detection of Chlamydia trachomatis or Neisseria gonorrhoeae in FSW on the basis of risk assessment and examination was developed from data gathered in Manila and evaluated in a second city (Cebu) in the Republic of the Philippines. RESULTS: Gonococcal or chlamydial cervical infection was found in 23.3% of FSW in Manila and 37.0% in Cebu. Unregistered and younger FSW had greatest risk of chlamydial infection and/or gonorrhoea in both cities. In Manila, where gynaecologists performed the pelvic examinations, signs of cervical mucopus or cervical motion, uterine or cervical motion tenderness in women under < 25 years old or unregistered had positive predictive value (PPV) of 0.60 and sensitivity of 42.1% for cervical infection. In Cebu, where women were not examined by gynaecologists, the same model had high PPV, but a sensitivity of only 12.3%. CONCLUSIONS: Experience and training of clinicians undoubtedly can influence the yield of examination in syndromic management of cervical infection. Nevertheless, inexpensive and diagnostic tests are needed for detection of cervical infection in this population.
BACKGROUND: In many developing countries, STD control efforts often involve registration and periodic examinations of female sex workers (FSW). Non-availability of sensitive and specific diagnostic tests frequently constrain this approach. METHODS: A model for detection of Chlamydia trachomatis or Neisseria gonorrhoeae in FSW on the basis of risk assessment and examination was developed from data gathered in Manila and evaluated in a second city (Cebu) in the Republic of the Philippines. RESULTS: Gonococcal or chlamydial cervical infection was found in 23.3% of FSW in Manila and 37.0% in Cebu. Unregistered and younger FSW had greatest risk of chlamydial infection and/or gonorrhoea in both cities. In Manila, where gynaecologists performed the pelvic examinations, signs of cervical mucopus or cervical motion, uterine or cervical motion tenderness in women under < 25 years old or unregistered had positive predictive value (PPV) of 0.60 and sensitivity of 42.1% for cervical infection. In Cebu, where women were not examined by gynaecologists, the same model had high PPV, but a sensitivity of only 12.3%. CONCLUSIONS: Experience and training of clinicians undoubtedly can influence the yield of examination in syndromic management of cervical infection. Nevertheless, inexpensive and diagnostic tests are needed for detection of cervical infection in this population.
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