Table 6.
Validation the OS risk score model of patients with Stage II colorectal cancer
| Groups | n | Deaths | χ2 | υ | P |
|---|---|---|---|---|---|
| Low risk | 163 | 5 | 11.7 | 2 | <0.05 |
| Moderate risk | 47 | 6 | |||
| High risk | 11 | 2 | |||
| Total | 221 | 13 | |||
OS: Overall survival.
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