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. 2019 May 16;21:28. doi: 10.1186/s12968-019-0536-5

Table 4.

Unadjusted Cox hazard ratio for the CMR parameters

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