Table 7.
Net Reclassification Improvement and Integrated Discrimination Improvement for Global PET Parameters to the PAREPET Multivariate Model.
| PET Parameter | NRI | p-Value | Individuals with event | Individuals
without event |
IDI | p-Value | R2 Difference |
||
|---|---|---|---|---|---|---|---|---|---|
| Up | Down | Up | Down | ||||||
| Global Scale RI | 0.0092 | 0.8515 | 0 | 1 | 3 | 9 | 0.021 | 0.089 | 3.17 |
| Global Scale DV | −0.024 | 0.6204 | 0 | 1 | 4 | 6 | 0.0079 | 0.2961 | 1.03 |
*
Risk Thresholds for NRI set at 0.9%, 3.9% 11.7% for low, intermediate and high risk, respectively. These are the event rates that correspond to patients with 0 ,1 or >2 high risk parameters (in Table 6).