Table 1.

Concordance/discordance between cTnI assays at different cutoff values.

A. Concordance with lowest concentrations with 10% CV in respective cTnI assays used as cutoff values
SamplesAio cTnINew cTnI assay
<0.06 μg/L≥0.06 μg/L
Admission samples<0.22 μg/L385 (72.2%)76 (14.3%)
 (n = 533)≥0.22 μg/L072 (13.5%)
6–12 h samples<0.22 μg/L144 (47.5%)31 (10.2%)
 (n = 303)≥0.22 μg/L0128 (42.2%)
24 h samples<0.22 μg/L172 (49.1%)29 (8.3%)
 (n = 350)≥0.22 μg/L0149 (42.6%)
B. Concordance with cutoff value of 0.12 μg/L for both assays
SamplesAio cTnINew cTnI assay
<0.12 μg/L≥0.12 μg/L
Admission samples<0.12 μg/L412 (77.3%)27 (5.1%)
 (n = 533)≥0.12 μg/L4 (0.7%)90 (16.9%)
6–12 h samples<0.12 μg/L155 (51.2%)6 (2.0%)
 (n = 303)≥0.12 μg/L3 (1.0%)139 (45.9%)
24 h samples<0.12 μg/L184 (52.6%)5 (1.4%)
 (n = 350)≥0.12 μg/L5 (1.4%)156 (44.6%)