TABLE 3.
Results of Cox Regression Analyses of LV Function and Shape Indices From 2DE and 3DE Images: Risk Assessment of Long-Term CV Mortality in Patients Referred for Echocardiographic Examination
Cox Regression: CV Mortality (N = 416)
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Unadjusted
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Adjusted
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p Value | HR | 95% CI | 2D EF Model 1,140.9* 0.628 ± 0.32 (0.565–0.691)† |
2D GLS Model 1,134.0* 0.676 ± 0.28 (0.620–0.731)† |
3D EF Model 1,133.1* 0.658 ± 0.31 (0.597–0.719)† |
3D GLS Model 1,124.2* 0.690 ± 0.29 (0.633–0.747)† |
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p Value | HR | 95% CI | p Value | HR | 95% CI | p Value | HR | 95% CI | p Value | HR | 95% CI | ||||
Age | <0.01 | 1.036 | 1.02–1.05 | <0.01 | 1.032 | 1.02–1.05 | <0.01 | 1.028 | 1.02–1.04 | <0.01 | 1.033 | 1.02–1.05 | <0.01 | 1.032 | 1.02–1.05 |
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BSA | 0.031 | 0.474 | 0.24–0.93 | 0.031 | 0.431 | 0.20–0.93 | 0.021 | 0.406 | 0.19–0.87 | 0.063 | 0.508 | 0.25–1.04 | 0.033 | 0.462 | 0.23–0.94 |
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Sphericity | 0.113 | 11.6 | 0.56–242 | 0.063 | 0.000 | 0.00–1.76 | 0.201 | 0.001 | 0.00–47.4 | 0.069 | 0.000 | 0.00–2.19 | 0.105 | 0.000 | 0.00–6.46 |
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Conicity | 0.031 | 0.002 | 0.00–0.58 | 0.208 | 0.000 | 0.00–1.5K | 0.332 0.000 | 0.00–36K | 0.385 | 0.000 | 0.00–100K | 0.284 | 0.000 | 0.00–9.3K | |
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Anterior | 0.661 | 1.415 | 0.30–6.67 | 0.875 | 1.168 | 0.17–8.10 | 0.916 | 0.899 | 0.12–6.51 | 0.933 | 1.086 | 0.16–7.47 | 0.964 | 0.956 | 0.14–6.63 |
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Septum | 0.151 | 0.351 | 0.08–1.47 | 0.262 | 0.328 | 0.05–2.30 | 0.427 | 0.465 | 0.07–3.07 | 0.234 | 0.312 | 0.05–2.13 | 0.270 | 0.338 | 0.05–2.32 |
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Inferior | 0.027 | 4.835 | 1.20–19.5 | 0.058 | 4.959 | 0.95–25.9 | 0.109 | 3.827 | 0.74–19.8 | 0.039 | 5.47 | 1.09–27.4 | 0.045 | 4.939 | 1.03–23.6 |
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Lateral | 0.646 | 2.240 | 0.07–70.3 | 0.123 | 27.70 | 0.41–1.9K | 0.820 | 1.655 | 0.02–126 | .240 | 12.48 | 0.19–838 | 0.383 | 6.47 | 0.10–431 |
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2D EF | <0.01 | 0.975 | 0.96–0.99 | <0.01 | 0.963 | 0.95–0.98 | |||||||||
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2D GLS | <0.01 | 1.123 | 1.08–1.17 | <0.01 | 1.140 | 1.09–1.19 | |||||||||
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3D EF | <0.01 | 0.973 | 0.96–0.98 | <0.01 | 0.961 | 0.95–0.97 | |||||||||
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3D GLS | <0.01 | 1.091 | 1.06–1.12 | <0.01 | 1.113 | 1.08–1.15 |
−2LL AUC.
AUC ROC – SE (95% CI). Bold indicates p < 0.05.
−2LL = −2 logarithmic likelihood; AUC ROC = area under curve in receiver-operating characteristic analysis; BSA = body surface area; CI = confidence interval; HR = hazard ratio.