Table 2.

Overall Performance of GeneXpert Assays

			GeneXpert run
Trial site	Sample type	No. of samples	Valid	Error
				Aborted	Probe check failed	GUSB failed
UPMC	Positive LN	10	10
	Negative LN	10	10
	SLN	30	30
	Reproducibility	28	27			1
MUSC	Positive LN	10	10
	Negative LN	10	9	1
	SLN	30	29			1
	Reproducibility	24	22			2
MSSM	Positive LN	10	10
	Negative LN	10	10
	SLN	56	56
	Reproducibility	28	26		1	1
Totals		256	249	1	1	5