|  | Histology | |||
---|---|---|---|---|---|
 |  | Stage | Stage | ||
 | Set | Spearman Correlation | Kruskal-Wallis | Spearman Correlation | Kruskal-Wallis |
Non invasive Score | Training | 0.947 P < 0.01 | χ2 = 88.3 Sig 0.000 | 0.859 P < 0.05 | χ2 = 82.4 Sig: 0.000 |
 | Validation | 0.929 0.001 | χ2 = 76.4 Sig: 0.000 | 0.890 P < 0.001 | χ2 = 74.6 Sig: 0.000 |