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Table 4 Univariate Cox regression analysis of event-free survival

From: Quantifying late gadolinium enhancement on CMR provides additional prognostic information in early risk-stratification of nonischemic cardiomyopathy: a cohort study

  HR 95% CI p-value
Demographics    
 Age, year 1.020 0.980 - 1.060 0.333
 Gender, female 1.094 0.397 - 3.016 0.863
Symptoms    
 Syncope or presyncope 1.093 0.348 - 3.434 0.879
 Palpitation 1.369 0.497 - 3.777 0.544
 Chest pain 0.837 0.286 - 2.449 0.745
 NYHA-class (III - IV) 2.820 1.003 - 7.928 0.049
Congestive heart failure 2.704 0.924 - 7.913 0.069
Arrhythmias    
 Atrial fibrillation 2.256 0.818 - 6.223 0.116
 Ventricular fibrillation 0.559 0.073 - 4.250 0.574
 Sustained VT 3.807 1.207 - 12.013 0.023
 Nonsustained VT 1.122 0.317 - 3.975 0.859
Conducting abnormalities    
 AVB of any grade 3.801 1.210 - 11.945 0.022
 Distal AVB 0.758 0.100 - 5.764 0.789
Cardiac enzyme elevation* 1.540 0.558 - 4.247 0.404
CMR    
 LVEDV, ml/m2 1.004 0.991 - 1.016 0.556
 LVESV, ml/m2 1.008 0.996 - 1.020 0.213
 SV, ml 0.968 0.940 - 0.997 0.032
 LVEF, % 0.959 0.930 - 0.990 0.009
 LVEF < 50% 3.813 1.213 -11.981 0.022
 LGE, presence 6.329 0.832 - 48.143 0.075
 LGE, extent, score 1.042 1.019 - 1.065 < 0.001
 LGE, extent, % LV volume 1.028 1.013 - 1.044 < 0.001
 SWMA, presence**    0.002
 SWMA, extent, score 1.067 1.014 - 1.122 0.012
  1. *Troponin T, Troponin I or CK-mb.
  2. **HR was not calculated for the presence of SWMA, since there were no events in the group of patients without SWMA; Univariate p-value was walculated with Log rank test.
  3. Abbreviations: AVB atrioventricular block, CAD coronary artery disease, CI confidence interval, CMR cardiovascular magnetic resonance, HR hazard ratio, LV left ventricular, LVEF left ventricular ejection fraction, LGE late gadolinium enhancement, LVEDD left ventricle end-diastolic diameter, LVEDV left ventricle end-diastolic volume, LVESV left ventricle end-systolic volume, NYHA-class New York Heart Association classification of functional capacity, SV stroke volume, SWMA segmental wall motion abnormality, VT ventricular tachycardia.