Table 5. Euclidean distance (mean and standard deviation, in cm) between the actual and estimated spatial coordinates for pacing sites in datasets D1 and D2.

Scar, normal and both (normal and scar) tissues were considered.

	Pacing sites
Input spaces	Both	Scar	Normal
3V	3.10 ± 1.32	3.09 ± 1.29	3.77 ± 1.43
3V1T	2.99 ± 1.31	2.95 ± 1.16	3.80 ± 1.37
3V3T	3.10 ± 1.34	2.78 ± 1.04	3.83 ± 1.52
2VR1T	2.84 ± 1.28	2.71 ± 1.03	3.55 ± 1.32
Far-field EGM waveform	3.12 ± 1.34	3.09 ± 1.18	4.03 ± 1.44
Bipolar EGM waveform	3.19 ± 1.24	3.18 ± 0.99	3.70 ± 1.44
Far-field—bipolar EGM waveform	2.99 ± 1.26	3.04 ± 0.96	3.87 ± 1.38