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Cox Model for Overall Survival for Grossly Resected Tumors Without Nodes, IRS I and II (n = 252)
| Model without chemotherapy duration |
Model including chemotherapy duration |
|||
|---|---|---|---|---|
| Prognostic variables | Relative risk of death | P | Relative risk of death | P |
| Initial surgery | ||||
| Complete | ||||
| Micro residue | NS | |||
| Site of the PT | ||||
| Hand and foot | 2.2 | 0.01 | 2.2 | 0.006 |
| Others | 1 | 1 | ||
| T status | ||||
| T1 | 1 | |||
| T2 | 1.8 | 0.05 | NS | |
| Cooperative groups | ||||
| COG | 1 | |||
| Europe | 2.6 | 0.001 | NS | |
| Duration of chemotherapy | ||||
| <27 weeks | 2.6 | |||
| >27 weeks | 1 | <0.001 | ||
