TABLE 5.
Sensitivity of culturing and prevalence of infection at each test site
| Group | Sitea | No. of specimens | Asmptomatic
|
No. of specimens | Symptomatic
|
||||
|---|---|---|---|---|---|---|---|---|---|
| %
|
%
|
||||||||
| Culture sensitivity | Prevalence
|
Culture sensitivity | Prevalence
|
||||||
| Culturing | Overall | Culturing | Overall | ||||||
| Women | JHU | 67 | 75.0 | 4.5 | 6.0 | 205 | 74.3 | 12.7 | 17.1 |
| LSU | 135 | 100.0 | 0.7 | 0.7 | 62 | 66.7 | 3.2 | 4.8 | |
| UTMB | 24 | 50.0 | 8.3 | 16.7 | 112 | 85.7 | 5.4 | 6.3 | |
| IU | 205 | 90.0 | 17.6 | 19.5 | 270 | 91.2 | 11.5 | 12.6 | |
| UCSF | 227 | 100.0 | 0.9 | 0.9 | 236 | 100.0 | 2.1 | 2.1 | |
| TJUH | 415 | 85.7 | 1.4 | 1.7 | 234 | 100.0 | 1.3 | 1.3 | |
| All | 1,073 | 86.2 | 4.7 | 5.4 | 1,119 | 83.9 | 6.5 | 7.8 | |
| Men | JHU | 140 | 7.7b | 0.7 | 9.3 | 439 | 85.7 | 28.7 | 33.5 |
| LSU | 164 | 60.0 | 1.8 | 3.0 | 31 | 85.7 | 38.7 | 45.2 | |
| UTMB | 60 | 100.0 | 5.0 | 5.0 | 100 | 100.0 | 33.0 | 33.0 | |
| IU | 290 | 100.0 | 1.7 | 1.7 | 517 | 98.1 | 30.4 | 30.9 | |
| UCSF | 60 | NAc | <1.6 | <1.6 | 180 | 94.4 | 9.4 | 10.0 | |
| All | 714 | 46.2 | 1.7 | 3.6 | 1,267 | 92.7 | 27.2 | 29.4 | |
a
JHU, Johns Hopkins University; LSU, Louisiana State University; UTMB, University of Texas Medical Branch at Galveston; IU, Indiana University; UCSF, University of California, San Francisco; TJUH, Thomas Jefferson University Hospital.
b
COBAS AMPLICOR exhibited low sensitivity for asymptomatic men at JHU: 69.2% (9 of 13) and 15.4% (2 of 13) for urethral swab and urine specimens, respectively. Excluding JHU data, the overall sensitivities were 84.6% (11 of 13) for culturing and 76.9% (10 of 13) and 69.2% (9 of 13) for COBAS AMPLICOR with urethral swab and urine specimens, respectively.
c
NA, none of the 60 individuals was infected with N. gonorrhoeae.