HR | 95% CI | p Value | |
---|---|---|---|
Age (per 5 years) | 1.02 | 0.92 to 1.12 | 0.821 |
Male | 1.27 | 0.60 to 3.10 | 0.563 |
NYHA class on admission | 1.17 | 0.91 to 1.52 | 0.222 |
Hypertension | 0.58 | 0.28 to 1.12 | 0.105 |
Atrial fibrillation | 1.42 | 0.71 to 2.67 | 0.308 |
History of VT/Vf | 5.16 | 1.93 to 11.6 | 0.002 |
BNP (per 10 mg/dL increments) | 1.02 | 1.01 to 1.02 | 0.001 |
Creatine | 3.65 | 1.05 to 11.0 | 0.042 |
ECG parameters | |||
QRS duration (per 10 ms increments) | 1.12 | 1.02 to 1.22 | 0.022 |
QTc interval (per 10 ms increments) | 1.11 | 1.04 to 1.18 | 0.003 |
Exercise testing | |||
Heart rate at rest (per 10 bpm increments) | 0.81 | 0.66 to 1.00 | 0.048 |
SBP at rest (per 10 mm Hg increments) | 0.75 | 0.62 to 0.90 | 0.002 |
SBPR <40 mm Hg | 3.31 | 1.74 to 6.75 | <0.001 |
Peak VO2 (per 1 mL/min/kg decrement) | 1.04 | 0.98 to 1.10 | 0.134 |
VE/VCO2 slope | 1.01 | 0.95 to 1.06 | 0.724 |
CMR parameters | |||
LVEF (per 10% decrements) | 1.60 | 1.18 to 2.21 | 0.002 |
LVEDVI (per 10 mL/m2 increments) | 1.01 | 1.06 to 1.14 | <0.001 |
LVESVI (per 10 mL/m2 increments) | 1.11 | 1.06 to 1.15 | <0.001 |
LV mass | 0.99 | 0.99 to 1.00 | 0.99 |
RVEF (per 10% decrements) | 1.18 | 0.89 to 1.56 | 0.251 |
Presence of LGE | 3.00 | 1.55 to 6.25 | 0.001 |
BNP, brain natriuretic peptide; CMR, cardiac magnetic resonance; EDVI, end-diastolic volume index; ESVI, end-systolic volume index; LGE, late gadolinium enhancement; NYHA, New York Heart Association; peak VO2, peak oxygen uptake; SBP, systolic blood pressure; SBPR, systolic blood pressure response; VE/VCO2 slope, regression slope relating minute ventilation to carbon dioxide output; Vf, ventricular fibrillation; VT, ventricular tachycardia.