Table 4.
Appropriate ICD therapy (30/121) | All-cause mortality without appropriate ICD therapy (23/121) | |||||
---|---|---|---|---|---|---|
Cox HR (95%CI) | P value | Harrell’s C-statistic | Cox HR (95%CI) | P value | Harrell’s C-statistic | |
LVEF, per −10% | 2.1 (1.4, 3.2) | 0.001 | 0.70 | 1.5 (0.9, 2.4) | 0.084 | 0.60 |
Total scar size, per 10 g | 1.1 (1.0, 1.3) | 0.030 | 0.65 | 1.2 (1.0, 1.3) | 0.009 | 0.63 |
Scar core size, per 10 g | 1.1 (1.0, 1.3) | 0.115 | 0.60 | 1.2 (1.1, 1.4) | 0.007 | 0.61 |
Scar border size, per 10 g | 1.6 (1.2, 2.1) | 0.009 | 0.65 | 1.4 (0.9, 2.0) | 0.122 | 0.62 |
Global strain, per + 5% | 2.9 (1.6, 5.2) | < 0.001 | 0.69 | 2.1 (1.1, 4.0) | 0.020 | 0.64 |
Peak systolic strain rate, per + 0.25 1/s | 2.3 (1.4, 3.7) | 0.001 | 0.68 | 2.0 (1.2, 3.3) | 0.011 | 0.66 |
Extent of impaired strain, % | ||||||
Severely (<−5%) | 1.5 (1.1, 1.9) | 0.005 | 0.64 | 1.5 (1.1, 2.1) | 0.005 | 0.66 |
Moderately (−5, −10%) | 1.9 (1.4, 2.5) | < 0.001 | 0.71 | 1.4 (0.9, 2.0) | 0.099 | 0.63 |
Mildly (−10, −15%) | 0.7 (0.4, 1.2) | 0.203 | 0.59 | 0.8 (0.4, 1.4) | 0.359 | 0.55 |
Early diastolic strain rate, per −0.25 1/s | 1.1 (1.0, 1.2) | 0.005 | 0.66 | 1.1 (1.0, 1.1) | 0.066 | 0.61 |
Late diastolic strain rate, per − 0.25 1/s | 1.1 (1.0, 1.2) | 0.008 | 0.66 | 1.1 (1.0, 1.3) | 0.008 | 0.71 |
Mechanical dispersion, per + 25 ms | 1.1 (0.8, 1.6) | 0.464 | 0.55 | 1.6 (1.1, 2.3) | 0.014 | 0.66 |
Sphericity index, per + 0.1 | 1.2 (0.9, 1.5) | 0.271 | 0.53 | 1.2 (0.9, 1.6) | 0.296 | 0.58 |
Abbreviations as in Table 2