Table 3.
Hazard ratio (95% CI) | p | |
---|---|---|
A. Univariable Cox Models for All-Cause Mortality or HF Hospitalization | ||
Clinical History | ||
Age (per 10 years) | 1.53 (1.02–2.29) | 0.04 |
Male gender | 0.73 (0.29–1.84) | 0.50 |
Hypertension | 2.25 (0.67–7.54) | 0.19 |
Diabetes mellitus | 1.55 (0.69–3.46) | 0.29 |
Family history CAD | 0.91 (0.36–2.29) | 0.83 |
Tobacco use | 0.67 (0.30–1.48) | 0.32 |
Imaging Markers | ||
Echocardiography | ||
Right Ventricle | ||
Ejection fraction (per 10%) | 0.62 (0.43–0.89) | 0.01 |
S' (cm/s) | 0.97 (0.84–1.12) | 0.69 |
TAPSE (cm) | 0.57 (0.20–1.65) | 0.30 |
Left Ventricle | ||
Ejection fraction (per 10%) | 0.76 (0.57–1.02) | 0.07 |
Abnormal Peak Longitudinal Strain* | ||
RV global (%) | 4.06 (1.47–11.22) | 0.007 |
RV free wall (%) | 2.36 (1.01–5.52) | 0.048 |
RV septal (%) | 0.85 (0.35–2.10) | 0.73 |
CMR | ||
Right Ventricle | ||
Ejection fraction (per 10%) | 0.71 (0.51–0.99) | 0.04 |
Left Ventricle | ||
Ejection fraction (per 10%) | 0.79 (0.60–1.03) | 0.08 |
Abnormal Peak Longitudinal Strain* | ||
RV global (%) | 4.73 (1.60–14.01) | 0.005 |
RV free wall (%) | 2.36 (1.01–5.52) | 0.048 |
RV septal (%) | 3.36 (0.78–14.47) | 0.10 |
B. Multivariate Cox Models for All-Cause Mortality or HF Hospitalization | ||
Model 1 | χ2 = 13.34, p = 0.001 | |
Age (per 10 years) | 1.60 (1.06–2.41) | 0.03 |
Abnormal RV GLS on STE (%)† | 4.51 (1.62–12.58) | 0.004 |
Model 2 | χ2 = 14.43, p < 0.001 | |
Age (per 10 years) | 1.60 (1.06–2.41) | 0.03 |
Abnormal RV GLS on CMR (%)† | 5.34 (1.79–15.93) | 0.003 |
Bold values identify a significance of p < 0.05
*Peak longitudinal strain < 10%
†RV GLS < 10%