Confirming Positive Results of Nucleic Acid Amplification Tests (NAATs) for Chlamydia trachomatis: All NAATs Are Not Created Equal
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The Centers for Disease Control and Prevention recommended confirming positive screening tests for Chlamydia trachomatis when positive predictive values are <90%. It is accepted that less sensitive tests (i.e., culture and immunoassays) should not be used to confirm the results of more sensitive nucleic acid amplification tests (NAATs). We show that the same principle applies when NAATs are used for confirmation.
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