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Sensitivity and specificity for the detection of N. gonorrhoeae by COBAS AMPLICOR calculated on a sample basis
| Group (no. of specimens) | Specimen | %
|
||
|---|---|---|---|---|
| Prevalence | Sensitivity | Specificity | ||
| All women (2,192) | Endocervical | 6.3 | 96.4 | 99.5 |
| Urine | 6.2 | 69.6 | 99.8 | |
| Asymptomatic men (714) | Urethral | 2.9 | 90.5 | 99.0 |
| Urine | 2.0 | 78.6 | 99.9 | |
| Symptomatic men (1,267) | Urethral | 29.0 | 99.5 | 98.8 |
| Urine | 28.7 | 96.2 | 99.9 | |
