2007 – 2008 STD/HIV Laboratory Survey Minnesota Department of Health STD and HIV Section
Background Under Minnesota law health care providers and laboratories must report all lab-confirmed cases of HIV, chlamydia, gonorrhea, and syphilis to MDH within one working day. There have been significant changes in STD/HIV laboratory test technologies over the past decade. From September, 2007 to July, 2008 MDH sent electronic surveys to 120 laboratories as an assessment of STD/HIV testing and reporting practices.
Demographics Response Rate Laboratory Types* Chlamydia/Gonorrhea: 80% (96/120 labs) Syphilis: 80% (96 / 120 labs) HIV: 78% (94 / 120 labs) Laboratory Types* 21 Non-profit Labs 1 City Lab 20 Community labs 2 State Labs 16 Non-profit Community Labs 4 Commercial Laboratories 1 HMO 3 Physician’s Offices *Includes 10 Out-of-State Labs
Chlamydia/Gonorrhea Survey Results
Chlamydia/Gonorrhea Testing Practices 26% (25) tested for both Chlamydia and Gonorrhea 60% (58) did not test for either Chlamydia or Gonorrhea No lab reported testing only for Chlamydia 13% (13) tested only for Gonorrhea
Includes results from reference laboratories used by labs included in the survey
Includes results from reference laboratories used by labs included in the survey
Includes results from reference laboratories used by labs included in the survey
Includes results from reference laboratories used by labs included in the survey
Oral/Rectal Testing Chlamydia Oral/Rectal Testing by Culture Oral Testing 8% Rectal Testing 7% Neither Oral nor Rectal Testing 7% Gonorrhea Oral/Rectal Testing by Culture Oral Testing 31% Rectal Testing 30% Neither Oral nor Rectal Testing 2%
Testing and Positivity Rates Chlamydia Testing Rates Total Number of Chlamydia Tests Performed 658,879 Total Number of Positive Chlamydia Tests 25,615 Positivity Rate Range for Chlamydia Tests 0% - 11% Gonorrhea Testing Rates Total Number of Gonorrhea Tests Performed 627,547 Total Number of Positive Gonorrhea Tests 5,324 Positivity Rate Range for Gonorrhea Tests 0% - 11%
Syphilis Survey Results
Syphilis Testing Practices 62% of labs (n = 60) reported no Syphilis screening done 86% of labs (n = 83) reported no Syphilis confirmation testing done
Includes results from reference laboratories used by labs included in the survey
Includes results from reference laboratories used by labs included in the survey 87% of labs reported no confirmatory testing done.
Syphilis Screening and Positivity Rates, 2007 Total Number of Screening Tests 326,847 Total Number of Positive Screening Tests 3,757 Range of Screening Tests Ran 0 - 192,973 Positivity Rate Range for Screening 0% – 3% Includes results from reference laboratories used by labs included in the survey
Syphilis Confirmation Testing and Positivity Rates, 2007 Total Number of Confirmation Tests 5,436 Total Number of Positive Confirmation Tests 2,922 Range of Confirmation Tests Ran 3,278 Positivity Rate Range for Confirmation Tests 0% - 93% Includes results from reference laboratories used by labs included in the survey
HIV Survey Results
HIV Testing Practices 61% (n = 57) perform HIV screens 4% (n = 4) perform HIV confirmatory tests 8% (n = 8) perform other HIV tests
13 labs performed Waived Testing, 14 labs performed Non-Waived Testing Includes results from reference laboratories used by labs included in the survey
Includes results from reference laboratories used by other labs included in the survey
Minnesota Department of Health For More Information STD and HIV Section Minnesota Department of Health 651-201-5414 glenise.johnson@state.mn.us