Table 3.
Predictive risk scores of each predictor in the nomograms
| Characteristics | OS nomogram | CSS nomogram |
|---|---|---|
| Age (continuous variable) | Age (year)/10 | Age (year)/10 |
| For reference | ||
| 20 | 2 | 2 |
| 30 | 3 | 3 |
| 40 | 4 | 4 |
| 50 | 5 | 5 |
| 60 | 6 | 6 |
| 70 | 7 | 7 |
| 80 | 8 | 8 |
| 90 | 9 | 9 |
| Site | ||
| Parotid | 0.0 | Not Included |
| Submandibular/Sublingual | 0.9 | |
| Grade | ||
| Low | 0.0 | 0.0 |
| Intermediate | 1.1 | 3.0 |
| High | 2.5 | 6.6 |
| T classification | ||
| T1 | 0.3 | 1.0 |
| T2 | 0.0 | 0.0 |
| T3 | 1.7 | 2.5 |
| T4 | 2.1 | 3.0 |
| N classification | ||
| N0 | 0.0 | 0.0 |
| N1 | 1.1 | 3.1 |
| N2 | 1.3 | 3.3 |
| N3 | 2.3 | 4.0 |
| M classification | ||
| M0 | 0.0 | 0.0 |
| M1 | 3.6 | 4.5 |
| Surgery | ||
| Yes | 0.0 | 0.0 |
| No | 1.0 | 2.0 |
| Radiotherapy | ||
| Received | 0.0 | 0.0 |
| No evidence | 0.7 | 1.2 |