Document Classification

Section Type: RESULTS

Text: Discharge risk factors for mortality included BNP, per doubling (hazard ratio [HR] : 1. 42, 95 % confidence interval [CI] : 1. 15 to 1. 75), cardiopulmonary resuscitation or mechanical ventilation during hospitalization (HR : 2. 54, 95 % CI : 1. 12 to 5. 78), blood urea nitrogen, per 20-U increase (HR : 1. 22, 95 % CI : 0. 96 to 1. 55), serum sodium, per unit increase (HR : 0. 93, 95 % CI : 0. 87 to 0. 99), age > 70 years (HR : 1. 05, 95 % CI : 0. 51 to 2. 17), daily loop diuretic, furosemide equivalents > 240 mg (HR : 1. 49, 95 % CI : 0. 68 to 3. 26), lack of beta-blocker (HR : 1. 28, 95 % CI : 0. 68 to 2. 41), and 6-min walk, per 100-foot increase (HR : 0. 955, 95 % CI : 0. 99 to 1. 00 ; c-index 0. 76).