Diagnosis and treatment of heart failure with preserved left ventricular ejection fraction

Table 5 Survival after cardiac magnetic resonance determined extracellular volume determination

CMR ECV	Year one	Year two	Year three	Year four
ECV < 25%	95.8%	95.8%	95.8%	82.1%
25% ≤ ECV < 30%	95.5%	90.5%	87.6%	81.1%
30% ≤ ECV < 35%	88.0%	77.3%	69.6%	65%
35% > ECV < 40%	82.2%	74.3%	69.4%	61.7%
ECV ≤ 40%	40.0%	40.0%	40.0%	40.0%
Cardiac amyloid	47.1%	23.5%	0%	0%

CMR: Cardiac magnetic resonance; ECV: Extracellular volume.