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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: JACC Clin Electrophysiol. 2017 Dec 20;4(1):59–68. doi: 10.1016/j.jacep.2017.10.010

Table 2.

Results of the generalized estimating equation model.

Log FAM Bipolar Voltage (mV) Univariate Multivariate
Coeff p-value Coeff p-value
IIR (per unit) −0.90 < 0.0001 −0.85 <0.0001
Age (per year) −0.03 0.054 −0.01 0.661
Male Sex −0.60 0.019 −0.53 0.014
BMI (per kg/m2) 0.06 0.036 0.07 0.004
CHA2DS2-VASc score (per unit) −0.02 0.162 −0.13 0.187
Persistent AF −0.14 0.565 0.02 0.911
Repeat Ablation −0.53 0.027 −0.43 0.026
AF duration (per year) −0.05 0.076 −0.06 0.012
LA area (per cm2) −0.02 0.162 −0.001 0.952
LVEF (per unit %) 0.01 0.415 0.01 0.308

AF: atrial fibrillation; BMI: body mass index; FAM: fast anatomical mapping; IIR: image intensity ratio; LA: left atrium; LVEF: left ventricular ejection fraction.