Table 4.
Comparison between DFS in risk groups of the newly formed KNPI and the original NPI
| New Classification KNPI | Original NPI | p | |||
|---|---|---|---|---|---|
| Group | Patients (%) | DFS | Patients (%) | DFS | |
| Low risk | 124 (45.9) | 92.7 % (115/124) | 58 (21.5) | 91.4 % (53/58) | <0.001 |
| Intermediate risk | 55 (20.4) | 80.0 % (44/55) | 127 (47.0) | 87.4 % (111/127) | |
| High risk | 91 (33.7) | 45.1 % (41/91) | 85 (31.5) | 42.4 % (36/85) | |
| C Index | 0.872 | 0.779 | |||
The distribution of patients into the newly formed low, intermediate and high risk groups of the Kuopio-Nottingham Prognostic Index with their respective Disease Free Survival, compared to the old categories of the original Nottingham Prognostic Index