TABLE 3.
Test performance of LCR for N. gonorrhoeaea
| Test | Cultureb (n = 255)
|
PCRb (n = 255)
|
PCRc (n = 255)
|
|||
|---|---|---|---|---|---|---|
| Sensitivity (%) | Specificity (%) | Sensitivity (%) | Specificity (%) | Sensitivity (%) | Specificity (%) | |
| LCR-PreservCyt | 86 (64-97)d | 97 (95-99) | 89 (71-97.7) | 99 (97-99.9) | 81 (63-93) | 99.6 (98-99.99) |
| LCR-cervix | 86 (64-97) | 97 (94-99) | 89 (71-97.7) | 99 (97-99.9) | 81 (63-93) | 99.6 (98-99.99) |
| LCR-urine | 85 (62-97) | 97 (94-99) | 88 (70-97.6) | 99 (96-99.7) | 83 (64-94) | 99.1 (97-99.9) |
a
Performed on PreservCyt (LCR-PreservCyt), LCx transport media (LCR-cervix), and urine (LCR-urine) using culture (one specimen) and PCR (three specimens) reference standards for detection of N. gonorrhoeae.
b
Cervix.
c
Cervix, vagina, and urine.
d
Values in parentheses are 95% confidence intervals.