Table 3.

Quantitative validation metrics for simulations of epicardial potentials produced during ischemia using source models generated from both subject-specific ischemic zones (Zone-Based) and measured intracardiac potentials from needle electrodes (Needle-Based).¹⁰

Statistical Measure	Experiment 1A Zone-Based	Experiment 1A Needle-Based	Experiment 2A Zone-Based	Experiment 2A Needle-Based
PCC	0.86	0.73	0.84	0.68
RMSE	1.20 mV	1.54 mV	0.80 mV	0.79 mV
AEmax	7.78 mV	7.61 mV	4.56 mV	5.43 mV
*AE%	15.1%	52.6%	12.3 %	15.0%
Statistical Measure	Experiment 1B Zone-Based	Experiment 1B Needle-Based	Experiment 2B Zone-Based	Experiment 2B Needle-Based
PCC	0.81	0.59	0.68	0.47
RMSE	0.59 mV	0.88 mV	0.94 mV	0.78 mV
AEmax	3.27 mV	4.58 mV	6.54 mV	6.13 mV
AE%	6.3%	21.8%	16.0%	15.1%
Statistical Measure	Experiment 1C Zone-Based	Experiment 1C Needle-Based	Experiment 2C Zone-Based	Experiment 2C Needle-Based
PCC	0.65	0.44	0.65	0.49
RMSE	0.63 mV	0.69 mV	0.90 mV	0.43 mV
AEmax	3.96 mV	3.96 mV	5.22 mV	3.47 mV
AE%	6.3%	12.6%	11.1%	6.3%

^*AE_% represents the percentage of the epicardial surface with 1 mV of absolute error or greater.