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. 2017 Sep 5;130(17):2069–2075. doi: 10.4103/0366-6999.213432

Table 7.

Validation the DFS risk score model of Stage II colorectal cancer patients

Groups n Recurrence χ2 υ P
Low risk 163 15 8.6 2 <0.05
Moderate risk 47 10
High risk 11 3

Total 221 28

DFS: Disease free survival.