Rotating PIS analysis of sensitivity and specificity of NAATs for detecting Neisseria gonorrhoeae in urine samples from mena

ComparisonNo. of samples testedNo. of N. gonorrhoeae PIS-positive samples tested/total no.% sensitivity (95% CI)No. of N. gonorrhoeae PIS-negative samples tested/ total no.% specificity (95% CI)
AC2 vs PIS (Cobas, CTQ/GCQ, and m2000)1,18786/8897.7 (92.1–99.4)1,090/1,09999.2 (98.5–99.6)
CTQ/GCQ vs PIS (Cobas, AC2, and m2000)1,18787/87100 (95.8–100.0)1,098/1,10099.8 (99.3–100.0)
m2000 vs PIS (Cobas, AC2, and CTQ/GCQ)1,18987/8997.8 (92.2–99.4)1,100/1,100100 (99.7–100.0)
  • a AC2, Gen-Probe APTIMA Combo 2 CT/NG assay; Cobas, Cobas CT/NG test for use on the Cobas 6800/8800 systems; CTQ/GCQ, BD ProbeTec CT Qx and GC Qx amplified DNA assays; m2000, Abbot m2000 RealTime CT/NG assay; NAAT, nucleic acid amplification test; PIS, patient infected status.