| Nottingham Prognostic Index | Mean ± SD | 4.45 ± 0.87 | |
| Range | 3.1 - 6.0 | ||
|
|
| Frequency | % |
| NPI interpretation [5-year survival] | 85% | 5 | 15.2% |
| 70% | 22 | 66.7% | |
| 50% | 6 | 18.2% | |