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The cross-validation blind test results of the test set in Model I (cases)
| Groups | Local CRC | Regional CRC | Total |
| Local CRC (predicted) | 25 (86.21%) | 2 (13.79%) | 27 |
| Regional CRC (predicted) | 4 (12.50%) | 14 (87.50%) | 18 |
| Total | 29 | 16 | 45 |
Sensitivity: 86.21% (25/29); Specificity: 87.50% (14/16); Accuracy: 86.67% (39/45)
