Nowhere near the point of diminishing returns: correlations between chlamydia testing and notification rates in New South Wales |
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Authors: | Chen Marcus Y Fairley Christopher K Donovan Basil |
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Institution: | Sydney Sexual Health Centre, Sydney Hospital, New South Wales. mchen@mshc.org.au |
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Abstract: | OBJECTIVE: To examine the relationship between chlamydia testing and chlamydia detection rates in New South Wales, Australia, from 1999 to 2001. METHODS: Correlations between population-based chlamydia testing and notification rates--stratified by age group, area of residence, and year--were determined by linear regression. RESULTS: Strong positive correlations between chlamydia testing and notification rates were observed for both women (r = 0.91, p < 0.001) and men (r = 0.94, p < 0.001). Between 1999 and 2001, the chlamydia test positivity rate increased from 4.3% to 7.3% for women (p < 0.0001) and from 7.8% to 10.5% for men (p < 0.0001). CONCLUSIONS AND IMPLICATIONS: This study suggests that Australia could benefit from a major chlamydia screening program. |
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