Table 4.

Performance of BDPT and LCx for detection ofN. gonorrhoeae, by clinical site

Specimen typeClinical sitePrevalence (%)No. of patients with positive infection status/nBDPT vs patient infection statusLCR vs patient infection statusCulture vs patient infection status
% Sensitivity% Specificity% PPV% NPV% Sensitivity% Specificity% PPV% NPV% Sensitivity% Specificity
Female
 SwabsCCFNAa0/26NA100NA100NA100NA100NA100
IU12.323/18710010010010095.710010099.495.7100
JHU13.315/11393.399.093.59993.31001009980.0100
UCSF3.04/132100100100100100100100100100100
SJPHS1.26/48610099.675.210066.710010099.6100.0100
UAB11.720/17190.098.085.698.795.098.790.699.3100100
UMMS7.121/29610099.69510090.510010099.390.5100
 UrineCCFNA0/24NA100NA100NA95.8NA100
IU12.423/18691.399.495.698.869.699.494.395.9
JHU13.215/11366.710010095.29310010099
UCSF3.24/124100100100100100100100100
SJPHS1.25/43080.099.354.899.860.099.559.399.5
UAB12.220/16490.010010098.690.097.985.698.6
UMMS6.619/29084.298.984.498.989.510010099.3
Male
 SwabsIU28.684/29498.899.097.599.5100100
JHU26.754/20210091.981.8100100100
UCSFNA0/11NA100NA100NA100
UAB31.453/16998.297.494.498.3100100
UMMS42.93/7100100100100100100
 UrineIU28.584/29595.298.698.498.194.099.097.497.6
JHU26.954/20110092.583.110096.391.881.298.5
UCSFNA0/10NA100NA90NA100NA100
UAB31.152/16710097.494.610090.495.790.595.7
UMMS42.93/7100100100100100100100100
  • a NA, not available.