Decision analysis: point-of-care Chlamydia testing vs. laboratory-based methods.

Objective: To evaluate and compare the performance of several different methods available for detection of Chlamydia trachomatis (Ct) infection, and to explore possible testing and treatment strategies incorporating point-of-care testing versus laboratory-based tests.

Design: Prospective trial and decision analysis.

Setting: Large, urban, publicly funded sexually transmitted disease clinic.