Table 2

Comparative results of various amplification assays on clinical samples for detection of N gonorrhoeae stratified by optical density (OD) of Cobas assay

Cobas OD	Specimen number tested	Number of positive specimen						% Confirmed
Cobas OD	Specimen number tested	Cobas	16S	LCx	LC-FRET	LC-MB	Consensus (2 out or 4)	% Confirmed
<0.2	50	0	0	1	1	1	1	N/A
0.2–2.0	33	33	2	0	0	0	0	0
>2.0–3.5	27	27	14	14	14	14	14	51.8
>3.5	62	62	57	54	57	58	58	93.5
Total	172	122	73	69	72	73	73	59.8