Table 2:

Electrogram Characteristics within Scar, Border Zone, and Normal Myocardium

	Dense Scar	Border Zone	Normal Myocardium
Thermocool
Bipolar Voltage (mV)	0.30 (0.04 – 0.498)	0.93 (0.501 – 1.49)	3.6 (1.5 – 14.8)
Unipolar Voltage (mV)	3.09 (0.93 – 7.63)	4.5 mV (1.18 – 11.3)	8.2 (2.6 – 23.5)
EGM Duration (ms)	146 (64–232)	137 (74–235)	118 (48–231)
PentaRay
Bipolar Voltage (mV)	0.27 (0.036 – 0.498)	0.85 (0.501 – 1.497)	4.42 (1.5 – 29.3)
Unipolar Voltage (mV)	4.13 (0.73 – 12.38)	5.50 (0.85 – 14.07)	8.87 (1.61 – 31.22)
EGM Duration (ms)	147 (56–268)	134 (71–228)	120 (57–280)

Values are shown as mean and 95% confidence interval. P<0.001 for between group differences (scar, border zone, normal myocardium) for each characteristic.