Task: Answer Verification
Input (English): Question: Is prevalence of Chlamydia trachomatis in urine of male patients with ankylosing spondylitis increased?
Answer: The prevalence of Chlamydia trachomatis infections, as detected by commercially available DNA amplification assays in urine specimens, in AS patients is not higher compared with male controls of the same age. However, there seems to be an association between specific antibodies to C trachomatis and AAU.
Output (English): no