Detection of true-positive Chlamydia trachomatis and Neisseria gonorrhoeae test results

↵a The numbers of true positives were as follows: for the first 500 samples for C. trachomatis, 46; for all 1,000 samples for C. trachomatis, 92; for the first 500 samples for N. gonorrhoeae, 5; and for all 1,000 samples for N. gonorrhoeae, 15.

↵b NA, not applicable.