Document Classification

Section Type: RESULTS

Text: Prognostic factors for all-cause syncope included the presence of ischemic cardiomyopathy (hazard ratio [HR], 2. 48 ; 95 % confidence interval [CI], 1. 42-4. 34 ; P = 0. 002), previous ventricular arrhythmias (HR, 2. 99 ; 95 % CI, 1. 18-7. 59 ; P = 0. 021), left ventricular ejection fraction 25 % (HR, 1. 65 ; 95 % CI, 0. 98-2. 77 ; P = 0. 059), and younger age (by 10 years ; HR, 1. 25 ; 95 % CI, 1. 00-1. 52 ; P = 0. 046).