Associations between anogenital symptoms and STIs
| Site of infection | Pathogen | Symptoms* n (%) | OR (95% CI) | aOR (95% CI) |
| Anorectal | Mycoplasma genitalium | 3/45 (6.7) | 3.6 (0.9 to 13.8) | 4.0 (1.0 to 16.3) |
| Chlamydia trachomatis | 1/46 (2.2) | 0.9 (0.1 to 7.2) | 0.3 (0.0 to 2.8) | |
| Neisseria gonorrhoeae | 4/33 (12.1) | 8.1 (2.3 to 28.9) | 10.2 (2.7 to 39.1) | |
| Urethral | M. genitalium | 5/24 (20.8) | 3.9 (1.3 to 11.1) | 3.5 (1.0 to 11.8) |
| C. trachomatis | 12/21 (57.1) | 25.7 (9.0 to 73.3) | 19.0 (6.7 to 53.4) | |
| N. gonorrhoeae | 6/8 (75.0) | 47.0 (8.2 to 269.0) | 21.7 (3.3 to 143.1) |
*Anorectal symptoms in the case of anorectal infection, urethral symptoms in the case of urethral infection.
aOR, adjusted OR after controlling for the other two anorectal or urethral infections.