Infection type | Positive culture | PT* and AC2* both positive | PT* only + same organism detected at another site | AC2* only + same organism detected at another site | Total true positives |
Pharyngeal GC | 0 | 18 | 1 | 1 | 20 |
Rectal GC | 12 | 27 | 0 | 2 | 29 |
Pharyngeal CT | 0 | 4 | 0 | 1 | 5 |
Rectal CT | 4 | 18 | 0 | 1 | 19 |
*Nucleic acid amplification test results were considered positive only if they were positive on two runs.
AC2, Aptima Combo 2; CT, Chlamydia trachomatis; GC, Neisseria gonorrhoeae; PT, BD Probetec ET system.