. Author manuscript; available in PMC: 2015 May 20.

Published in final edited form as: J Am Coll Cardiol. 2014 Mar 19;63(19):2007–2013. doi: 10.1016/j.jacc.2014.01.066

Table 3. Baseline CMR and ECG-derived variables of the study population (n=4942).

Variable, n (%)	No Afib (n=4728)	Afib (n=214)	P-value
CMR-LVH*	217 (4.6)	28 (13.1)	<0.001
Sokolow-Lyon voltage	398 (8.5)	33 (15.7)	<0.001
Cornell voltage	170 (3.6)	11 (5.2)	0.22
Framingham-adjusted Cornell voltage	171 (3.6)	11 (5.2)	0.23
Minnesota code 3.1	247 (5.3)	18 (8.6)	0.04
Lewis index	566 (12.1)	26 (12.4)	0.88
Gubner and Ungerleider	278 (5.9)	18 (8.6)	0.115
Sokolow-Lyon voltage product	155 (3.3)	17 (8.1)	<0.001
Cornell voltage product	276 (5.9)	23 (11.0)	0.003
Romhilt-Estes score ≥ 4	58 (1.3)	6 (3.1)	0.03
Perugia score	229 (5.3)	19 (10.0)	0.004
Perugia 2 score	215 (4.8)	16 (8.4)	0.026