Frequencies of CT and NG diagnoses by body location and sample type
| Self-samples | HC samples | Agreement | Kappa (κ) | P value* | |||
| N | n (%) | N | n (%) | ||||
| Vaginal | 20 | 20 | |||||
| CT | 5 (25.0) | 6 (30.0) | 95.0% | 0.88 | 0.317 | ||
| NG | 1 (5.0) | 2 (10.0) | 95.0% | 0.64 | 0.317 | ||
| Pharyngeal | 50 | 50 | |||||
| CT | 3 (6.0) | 1 (2.0) | 92.0% | −0.03 | 0.317 | ||
| NG | 9 (18.0) | 9 (18.0) | 92.0% | 0.73 | 1.000 | ||
| Rectal | 73 | 73 | |||||
| CT | 13 (17.8) | 14 (19.2) | 93.2% | 0.77 | 0.655 | ||
| NG | 22 (30.1) | 19 (26.0) | 95.9% | 0.90 | 0.083 | ||
| Urine/urethral | 43 | 43 | |||||
| CT | 9 (20.9) | 10 (23.3) | 97.7% | 0.93 | 0.317 | ||
| NG | 16 (37.2) | 14 (32.6) | 95.4% | 0.90 | 0.157 | ||
| Total | 186 | 186 | |||||
| CT | 30 (16.1) | 31 (16.7) | 94.1% | 0.78 | 0.763 | ||
| NG | 48 (25.8) | 44 (23.7) | 94.6% | 0.86 | 0.206 | ||
*Calculated using the McNemar’s statistical test for paired nominal data.
CT, Chlamydia trachomatis; HC samples, healthcare professional-collected samples; NG, Neisseria gonorrhoeae.