Tolvaputan+carperitide group (n=51) Carperitide group (n=51) p value
Age(years) 76.2±12.0 77.4±12.6 n.s.
Gender(male) 27(52.9%) 30(58.8%) n.s.
BMI 21.0±4.3 21.8±4.0 n.s.
Smokers 18(35.3%) 17(33.3%) n.s.
Hypertension 36(70.6%) 44(86.3%) n.s.
Diabetes mellitus 15(29.4%) 18(35.3%) n.s.
Dyslipidemia 15(29.4%) 17(33.3%) n.s.
Cerebral infarction 3(5.9%) 4(7.8%) n.s.
Atrial fibrillation 21(41.2%) 17(33.3%) n.s.
Ischemic heart disease 23(46.0%) 22(43.1%) n.s.
History of heart failure 33(64.7%) 26(51.0%) n.s.
Etiology
Arrhythmia 9(17.7%) 15(29.4%) n.s
Ischemic heart disease 15(29.4%) 21(38.9%)  
Valvular disease 6(11.8%) 3(5.9%)  
Dilated cardiomyopathy 12(23.5%) 7(13.7%)  
Other 9(17.7%) 5(9.8%)  
Concomitant medication
ACE inhibitors or ARBs 45(88.2%) 36(70.6%) n.s.
β-blockers 37(72.6%) 33(64.1%) n.s.
Ca-blockers 11(21.6%) 12(23.5%) n.s.
Loop diuretics 43(84.3%) 39(76.5%) n.s.
Spironolactone 29(56.9%) 11(21.6%) <0.01
NYHAII 2(3.9%) 2(3.9%) n.s.
III 20(39.2%) 19(37.3%) n.s.
IV 29(56.9%) 30(58.8%) n.s.
Clinical scenario1 20(39.2%) 20(39.2%) n.s.
2 20(39.2%) 27(52.9%)  
3 8(15.7%) 4(7.8%)  
5 3(5.9%) 0  
Systolic blood pressure(mmHg) 141.0±39.0 136.2±27.8 n.s.
Diastolic blood pressure(mmHg) 81.7±26.2 78.8±21.4 n.s.
Heart rate(/min) 91.4±25.8 83.8±21.1 n.s.
Serum creatinine(mg/dl) 1.5±0.8 1.3±0.6 n.s.
Estimated GFR (mL/min/1.73m2) 38.8±20.2 43.2±21.7 n.s.
Serum sodium (mEq/L) 138.6±5.2 138.2±3.8 n.s.
Serum potassium (mEq/L) 4.2±0.6 4.1±0.5 n.s.
NT-pro BNP (pg/ml) 17486.8±25689.4 7774.0±8291.5 0.01
Echocardiography
left atrium volume index(ml/m2) 47.7±22.5 36.4±14.9 <0.01
Left ventricular end diastolic diameter(mm) 52.8±9.3 50.6±9.8 n.s.
Left ventricular end systolic diameter(mm) 42.4±11.5 39.4±10.7 n.s.
Left ventricular end diastolic volume(ml) 128.8±74.9 105.7±49.5 n.s.
Left ventricular end systolic volume(ml) 83.4±67.3 63.7±42.8 n.s.
Left ventricular ejection fraction(%) 40.3±16.7 44.5±14.5 n.s.
Medication
Dose of tolvaptan(mg/day) 12.7±3.5    
Duration of administration[day](IQR) 3(3-8)    
Dose of carperitide(μg/kg/min) 0.024±0.013 0.037±0.023 <0.01
Total dose of carperitide(μg) 1660±1310 2470±2300 0.03
Duration of administration[day](IQR) 8.0(5-14) 7.0(5-10) n.s.
Dose of intravenous furosemide for 48h(mg) 11.4±16.6 29.2±30.6 <0.001
Nitroglycerin 13(25.5%) 9(17.7%) n.s.
Cardiac stimulant 15(29.4%) 8(15.7%) n.s.
Non-invasive positive-pressure ventilation 16(31.4%) 17(33.3%) n.s.
Duration of hospitalization (day) 23.3±25.1 24.7±24.2 n.s.
Table1: Patient background and demographic data. BMI: Body Mass Index; ACE: Angiotensin-Converting Enzyme; ARB:Angiotensinreceptor Blocker; NYHA:New York Heart Association; EGRF: Estimated Glomerular Filtration Rate; BNP: Brain-Type Natriuretic Peptide; IQR: Interquartile Range.