Table 3 Derivation cohort—perfusion defect severity and dyssynchrony
Variable | Mild (1–4)a (N = 66) | Moderate (5–8)b (N = 18) | Severe (8+)c (N = 21) | p value |
|---|---|---|---|---|
Entropy (%) | 48.5 (43.0, 56.0) | 55.5 (47.0, 71.0) | 62.0 (55.0, 69.0) | < .001 |
Phase histogram bandwidth (°) | 48.0 (36.0, 72.0) | 75.0 (42.0, 138.0) | 96.0 (72.0, 138.0) | < .001 |
Phase standard deviation (°) | 12.7 (9.9, 22.0) | 19.7 (11.2, 37.6) | 23.5 (17.8, 27.8) | 0.002 |