Table 2:

Unadjusted and adjusted regression models predicting 30 day serious outcomes

	Unadjusted OR	95% CI	Adjusted OR	95% CI
Recurrent Syncope	1.28	(1.07, 1.52)	1.09	(0.90, 1.31)
Gender (male)	1.41	(1.19, 1.68)	1.20	(0.99, 1.45)
Race (not White)	0.72	(0.56, 0.91)	0.74	(0.57, 0.97)
History of Congestive Heart Failure	2.06	(1.65, 2.58)	1.37	(1.05, 1.77)
History of Coronary Artery Disease	1.53	(1.28, 1.84)	0.99	(0.80, 1.22)
History of Arrhythmia	2.61	(2.17, 3.13)	2.04	(1.66, 2.49)
Abnormal ECG	2.27	(1.89, 2.74)	1.75	(1.42, 2.15)
Dyspnea	1.81	(1.49, 2.20)	1.76	(1.43, 2.16)
Physician Risk Assessment	1.03	(1.02, 1.04)	1.03	(1.02, 1.03)
Hypotension	1.85	(1.44, 2.34)	1.64	(1.25, 2.13)

Serious outcome defined as any: significant arrhythmia (ventricular fibrillation, symptomatic ventricular tachycardia longer than 30 seconds, sick sinus syndrome, sinus pause longer than 30 seconds, Mobitz II heart block, complete heart block, symptomatic supraventricular tachycardia, or symptomatic bradycardia <40 beats per minute), myocardial infarction, cardiac intervention, new diagnosis of structural heart disease, stroke, pulmonary embolism, aortic dissection, subarachnoid hemorrhage, cardiopulmonary resuscitation, internal hemorrhage/anemia requiring transfusion, recurrent syncope/fall resulting in major traumatic injury, and death within 30 days