Table 4:
Measure | N | N_e* | Hazard Ratio Confidence interval |
P-value |
---|---|---|---|---|
Left ventricular (LV†) ejection fraction per 3% decrease | 78 | 15 | 1.32 1.12–1.55 |
<0.001 |
LV end diastolic volume indexed per 4ml/m2 increase | 77 | 14 | 1.20 1.09–1.32 |
<0.001 |
LV end systolic volume indexed per 2ml/m2 increase | 77 | 14 | 1.12 1.06–1.19 |
<0.001 |
LV cardiac index per 1L/min/m2 increase | 76 | 13 | 1.53 0.80–2.92 |
0.200 |
| ||||
Circumferential strain (Ecc‡) at base per 1% increase (less negative) | 73 | 12 | 1.20 0.98–1.46 |
0.072 |
Ecc at mid-LV per 0.8% increase (less negative) | 73 | 12 | 1.23 1.06–1.43 |
0.007 |
Global Ecc per 0.6% increase (less negative) | 73 | 12 | 1.12 1.00–1.25 |
0.043 |
| ||||
Presence of late gadolinium enhancement (LGE§) | 76 | 15 | 1.19 0.33–4.32 |
0.800 |
LGE global severity score per 1 unit increase | 73 | 15 | 1.34 0.86–2.10 |
0.190 |
LGE full width half maximum per 5.9% increase | 74 | 15 | 1.24 1.06–1.46 |
0.008 |
| ||||
Native T1 mid per 11ms decrease | 71 | 10 | 1.18 1.04–1.32 |
0.008 |
T2 mid per 1ms increase | 66 | 8 | 1.09 0.84–1.42 |
0.520 |
Extracellular volume, mid-LV per 1% increase | 65 | 7 | 1.04 0.95–1.15 |
0.400 |
| ||||
Brain natriuretic peptide per 1pg/ml increase | 60 | 11 | 1.00 0.99–1.01 |
0.500 |
N-terminal pro b-type natriuretic peptide per 50 pg/ml increase | 60 | 11 | 1.18 1.00–1.39 |
0.045 |
Troponin I per 1pg/ml increase | 60 | 11 | 1.00 0.99–1.00 |
0.390 |
N_e – number of events
LV – left ventricle
Ecc – circumferential strain
LGE – late gadolinium enhancement