Table 3.
Scores of every subgroup within each variable
| Variables | Points | Variables | Points |
|---|---|---|---|
| Marital status | Grade | ||
| Married | 0 | I, II | 0 |
| Unmarried | 9 | III, X | 17 |
| Race | IV | 40 | |
| White or Black | 42 | Bone metastasis | |
| Others | 0 | No | 0 |
| Sex | Yes | 29 | |
| Female | 0 | Brain metastasis | |
| Male | 17 | No | 0 |
| Age | Yes | 20 | |
| ≤61 | 0 | Liver metastasis | |
| 62–73 | 17 | No | 0 |
| ≥74 | 29 | Yes | 35 |
| Histology | With M1a | ||
| ADC | 0 | No | 0 |
| Others | 23 | Yes | 18 |
| T stage | Surgery | ||
| T0, T1 | 0 | No | 62 |
| T2–4/Tx | 30 | Yes | 0 |
| N stage | Chemotherapy | ||
| N0 | 0 | No/unknown | 100 |
| N1–3/Nx | 31 | Yes | 0 |
Abbreviation: ADC, adenocarcinoma.