Prevalence of Neisseria Gonorrhoeae among men screened for Chlamydia Trachomatis in four United States cities, 1999-2003.

Objectives: Neisseria gonorrhoeae infections are the second most commonly reported disease in the United States and cause significant morbidity. We describe the prevalence of gonorrhea in a large sample of men tested for gonorrhea and Chlamydia trachomatis in Baltimore, Denver, San Francisco, and Seattle.

Methods: Gonorrhea prevalence was measured among 17,712 men tested in a variety of non-sexually transmitted disease (STD) clinic venues using urine-based nucleic acid amplification tests.

Prevalence of Chlamydia trachomatis infection among men screened in 4 U.S. cities.

Objective: The objective of this study was to measure the prevalence of Chlamydia trachomatis (CT) infection among men in clinical and nonclinical settings across the United States.

Goal: The goal of this study was to obtain data to inform recommendations regarding male CT screening.

Study: The authors conducted a cross-sectional study of CT prevalence among adolescent and adult men in 4 U.