Table 2. Assay performance characteristics.

	Alere Triage [10]	PathFast cTnI [11]	Singulex Erenna [12]
LOD	N/A (Limit of blank, 10 pg/mL)	8 pg/mL	0.1 pg/mL
LOQ	20 pg/mL	19 pg/mL	0.4 pg/mL
Reportable range	10-10,000 pg/mL	19-50,000 pg/mL	0.4-600 pg/mL
99th percentile	20 pg/mL	29 pg/mL	10.2 pg/mL
CV	16.7% at 60 pg/mL and 11.0% at 5,000 pg/mL	6.1% at 29 pg/mL and 3.9% at 251 pg/mL	low-end CV% range of 2-8%, and low-end CV% average 5%
CV at 99th percentile	<20%	5%	9%

Abbreviations: TnI, troponin; N/A, not available; LOD, level of detection; LOQ, level of quantitation.