Fig. 1.

Flow chart summarizing patient recruitment and sample collection results availability. CT, Chlamydia trachomatis; NAAT, Nucleic Acid Amplification Test. Flow diagram showing total number of eligible participants who consented to the study, ending with the total number of participants included in the final analyses. Samples were excluded where the participant did not meet the study eligibility criteria (n = 18); that did not have a clinic NAAT result available (n = 18), that were not tested on the io® CT assay (n = 16); or that had a final invalid result by the io® CT assay (n = 24).