. Author manuscript; available in PMC: 2022 Mar 30.

Published in final edited form as: J Am Coll Cardiol. 2021 Mar 30;77(12):1487–1499. doi: 10.1016/j.jacc.2021.01.046

Table 3.

Agreement between assays in classifying blood samples according to analytic benchmarks.

Analytic benchmarks:	Roche Elecsys n (%)	Abbott Architect n (%)	Siemens Vista n (%)	P values^*
Analytic benchmarks:	Roche Elecsys n (%)	Abbott Architect n (%)	Siemens Vista n (%)	Roche vs. Abbott	Roche vs. Siemens	Abbott vs. Siemens	Overall Comparison
< LOD	578 (56.3)	107 (10.4)	423 (41.2)	<0.001	<0.001	<0.001	<0.001
LOD - 99^th %tile	375 (36.5)	858 (83.5)	540 (52.6)	<0.001	<0.001	<0.001	<0.001
> 99^th %tile	74 (7.2)	62 (6.0)	64 (6.2)	0.064	0.157	0.670	0.114
Total	1,027 (100.0)	1,027 (100.0)	1,027 (100.0)	N/A	N/A	N/A	N/A

Indicating the differences between the assays. LOD=Limit of detection; %tile=Percentile.