Comparison of Cardiac 123I-MIBG Kinetics Between Groups With and Without Cardiac Events
| Parameter | Cardiac events group (n = 89) | Non–cardiac events group (n = 379) | P |
| Washout ratio (%) | 41.3 ± 9.8 | 35.3 ± 11.3 | <0.001 |
| Early HMR | 1.77 ± 0.38 | 2.02 ± 0.55 | <0.001 |
| Late HMR | 1.50 ± 0.36 | 1.81 ± 0.50 | <0.001 |
Data are mean ± SD.