Table 5.
Assignment table
| Factor | Assignment |
|---|---|
| Age | ≤60 years old =0, >60 years old =1 |
| TNM stage | Stage IIIa =0, Stage IIIb =1 |
| Smoking history | Yes =1, No =0 |
| Maximum tumor diameter | >6 cm =1, ≤6 cm =0 |
| Prognosis | Poor prognosis =1, Good prognosis =0 |
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