| Patients with symptoms of NGU | Patients without symptoms of NGU | OR (95% CI) | |
| Chlamydia trachomatis positive | 618 (21.9%) | 371 (7.0%) | 3.7 (3.2 to 4.2) |
| Mycoplasma genitalium positive | 207 (8.6%) | 107 (2.1%) | 4.3 (3.4 to 5.5) |
| M genitalium and C trachomatis negative | 2199 | 4922 |