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Vessel plus surface classification system findings of early gastric cancer in the training and test datasets
| Training dataset (n = 267) | Test dataset (n = 82) | P value | |
|---|---|---|---|
| Demarcation line (positive/negative, %) | 260/7, 97.4% | 81/1, 98.8 | 0.75 |
| Microvascular pattern (regular/irregular/absent) | 13/238/16 | 5/73/4 | 0.98 |
| Microsurface pattern (regular/irregular/absent) | 14/205/48 | 8/60/14 | 0.49 |
| Diagnosis (cancer/non‐cancer, %) | 254/13, 95.1% | 77/5, 93.9% | 0.88 |
