A Rational Adoption of the High Sensitive Assay for Cardiac Troponin I in Diagnostic Routine

Table 4

Sensitivity, specificity, and positive and negative predictive values (PPV, NPV) according to TnI and hsTnI results at T0 and percent delta changes from baseline (Δc) after 3 and 6 hours from baseline (T3 and T6).

	Sensitivity	Specificity	PPV	NPV
T0
TnI	71.0%	86.9%	39.0%	96.2%
hsTnI	73.3%	78.5%	28.7%	96.1%
T3
ΔcTnI	90.9%	67.9%	52.6%	95.0%
Δc hsTnI	90.9%	82.1%	66.7%	95.8%
T6
ΔcTnI	83.3%	85.7%	78.9%	88.9%
Δc hsTnI	83.3%	100%	100%	90.3%