Table 4.
C. trachomatis detection results of 553 cases with culture, LCR and enzymatic method used an expanded gold standard as the reference standard
| Method | No. of true positives/positives | No. of true negatives/negatives |
|---|---|---|
| Enzymatic method |
86/132 |
413/421 |
| |
Urethral discharge 22/24 |
Urethral discharge 126/127 |
| |
Prostate massage liquid 8/47 |
Prostate massage liquid 4/5 |
| |
Cervical secretion 31/33 |
Cervical secretion 196/199 |
| |
Vaginal secretion 25/28 |
Vaginal secretion 87/90 |
| Cell culture |
60/60 |
459/493 |
| |
Urethral discharge 18/18 |
Urethral discharge 128/133 |
| |
Prostate massage liquid 7/7 |
Prostate massage liquid 43/45 |
| |
Cervical secretion 21/21 |
Cervical secretion 198/211 |
| |
Vaginal secretion 14/14 |
Vaginal secretion 90/104 |
| LCR |
85/89 |
459/464 |
| |
Urethral discharge 22/22 |
Urethral discharge 128/133 |
| |
Prostate massage liquid 8/8 |
Prostate massage liquid 43/45 |
| |
Cervical secretion 32/32 |
Cervical secretion 198/211 |
| |
Vaginal secretion 27/27 |
Vaginal secretion 90/104 |
| Expanded gold standard |
94 |
459 |
| |
Urethral discharge 23 |
Urethral discharge 128 |
| |
Prostate massage liquid 9 |
Prostate massage liquid 43 |
| |
Cervical secretion 34 |
Cervical secretion 198 |
| Vaginal secretion 28 | Vaginal secretion 90 |