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Consistency check of the grouping results based on postoperative pathology and the preoperative predictive model.
| Pathological Stratification | Preoperative Predictive Stratification | Total | κ | P-value | |
|---|---|---|---|---|---|
| Low risk | Middle–High risk | ||||
| Low risk | 835 (76.7%) | 273 (34.7%) | 1,108 (59.1%) | ||
| Middle–high risk | 254 (23.3%) | 513 (65.3%) | 767 (40.9%) | 0.421 | <0.001 |
| Total | 1,089 (58.1%) | 786 (41.9%) | 1,875 | ||
