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. Author manuscript; available in PMC: 2021 Feb 26.
Published in final edited form as: J Cardiovasc Electrophysiol. 2017 Aug 4;28(10):1158–1166. doi: 10.1111/jce.13283

Table 3. Rotors Exhibit Greater ECG Voltage Variation Compared to Focal Sources in All Patients: Secondary Analysis.

Maximal Percent Amplitude Difference
Lead 1 Lead aVF Lead V1 Vector Combination
Rotor-based VF 50%±25% 54%±22% 68%±20% 103%±30%
Focal Source-based VF 42%±21% 31%±22% 37%±27% 67%±34%
p value 0.34 0.02 0.002 0.01
Standard Deviation of Normalized Amplitudes
Lead 1 Lead aVF Lead V1 Vector Combination
Rotor-based VF 0.25±0.18 0.27±0.15 0.35±0.16 0.53±0.23
Focal Source-based VF 0.21±0.12 0.17±0.14 0.18±0.13 0.35±0.18
p value 0.48 0.10 0.01 0.03