Nowhere near the point of diminishing returns: correlations between chlamydia testing and notification rates in New South Wales

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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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