Comparison of Upper Cut-Off Values for Separating Cardiac Death Patients into 2 Subgroups With and Without Poor Prognosis Using Late H/M When LVEF Was <40%
| Subgroup | Threshold definition | Threshold value | P | Log rank value |
|---|---|---|---|---|
| ISM (n = 52) | Mean − 0.5 SD | 1.50* | 0.0358 | 4.41 |
| Mean value | 1.66 | 0.1244 | 2.36 | |
| Mean + 0.5 SD | 1.83 | 0.0838 | 2.99 | |
| Mean + 1.0 SD | 1.99 | 0.1948 | 1.68 | |
| ICM (n = 42) | Mean value | 1.48* | 0.0367 | 4.36 |
| Mean + 1.0 SD | 1.75* | 0.0049 | 7.91 | |
| Mean + 2.0 SD | 2.02* | 0.0050 | 7.86 | |
| Mean + 2.5 SD | 2.16 | 0.0936 | 2.81 |
↵* P < 0.05.