Table 1.

Patient characteristics (derivation cohort only)

Characteristics	AF Positive (n = 390)	AF Negative (n = 7,281)	p-value
Age≥75	320 (82.05%)	4031 (55.38%)	2.30E-22*
Male	206 (52.82%)	3,703 (50.87%)	0.45
Hypertension	320 (82.05%)	4,031 (55.38%)	2.3E-22*
Diabetes	128 (32.82%)	1,531 (21.03%)	5.4E-08*
Obesity (BMI>30)	41 (10.51%)	391 (5.37%)	2.6E-05*
Congestive Heart Failure	170 (43.59%)	743 (10.21%)	6.0E-69*
Coronary Artery Disease	190 (48.72%)	1,391 (19.11%)	1.2E-39*
Peripheral Vascular Disease	72 (18.46%)	585 (8.04%)	4.3E-12*
Chronic Kidney Disease (III, IV, V)	23 (5.90%)	159 (2.18%)	6.9E-06*
Valve Disease	94 (24.10%)	481 (6.61%)	4.9E-32*
Aortic Valve Disease	49 (12.56%)	232 (3.19%)	9.7E-19 *
Mitral Valve Disease	55 (14.10%)	269 (3.70%)	4.0E-20 *
Tricuspid Valve Disease	11 (2.82%)	48 (0.66%)	1.3E-05 *
Pulmonary Valve Disease	4 (1.03%)	17 (0.23%)	7.7E-03 *

AF = atrial fibrillation; BMI = body mass index.

^*P value <0.05 was considered significant