Sentence examples for use of dual tests from inspiring English sources

To investigate use of dual tests for Chlamydia trachomatis and Neisseria gonorrhoeae on samples collected through the National Chlamydia Screening Programme (NCSP) in England.

This is the first national study to investigate the use of dual tests for chlamydia and gonorrhoea on samples collected by the NCSP.

It therefore seems likely that the responding LAs are representative of English LAs in their use of dual tests and that the data are generalisable.

Approximately 450 4500 confirmed gonorrhoea diagnoses and 2300 false-positive screens might occur through use of dual tests on NCSP samples each year.

We undertook a national survey of Local Authority (LA) commissioners of chlamydia screening to investigate use of dual tests, which simultaneously test for chlamydia and gonorrhoea, in community-based settings (excluding specialist sexual health services).

We used the LA survey data, national surveillance data, 2 and published data on gonorrhoea prevalence in community-based settings 9 11 to estimate the number of confirmed gonorrhoea diagnoses and false positives that might occur each year through the use of dual tests on samples collected by the NCSP (table 1).

Although LAs using dual tests were more likely to be areas with higher rates of gonorrhoea diagnosis made in GUM clinics, which might indicate evidence-based policy making, this finding might also be explained by increased diagnosis of gonorrhoea in these areas arising from the introduction of dual tests.

Another possibility that is currently being tested is the use of dual language test booklets.

Our data might underestimate the proportion of LAs using dual tests because commissioners might not always be aware that dual tests are being used for NCSP samples.

23 Overall, 36% (15/42) of LAs using dual tests reported providing gonorrhoea-specific patient information materials to patients, 45% (19/42) provided no gonorrhoea-specific information materials and 19% (8/42) did not know.

(1) The proportion of English LAs using dual tests on samples collected by the NCSP; (2) The estimated number of gonorrhoea tests and false positives from samples collected by the NCSP, calculated using national surveillance data on the number of chlamydia tests performed, assuming the gonorrhoea prevalence to range between 0.1% and 1%, and test sensitivity and specificity of 99.5%.