Table 4. Clinical characteristics of EC patients from each database.
| Characteristics | Training dataset (n=372) | Testing dataset (n=156) | Entire dataset (n=528) | P-value | |||
| n | % | n | % | n | % | ||
| Age (year) | 0.902 | ||||||
| ≤60 | 140 | 37.63% | 62 | 39.74% | 202 | 38.26% | |
| >60 | 232 | 62.37% | 94 | 60.26% | 326 | 61.74% | |
| FIGO stage | |||||||
| I | 234 | 62.90% | 98 | 62.82% | 332 | 62.88% | 0.967 |
| II | 33 | 8.87% | 18 | 11.54% | 51 | 9.66% | |
| III | 85 | 22.85% | 34 | 21.79% | 119 | 22.54% | |
| IV | 20 | 5.38% | 6 | 3.85% | 26 | 4.92% | |
| Histological type | 0.194 | ||||||
| Endometrioid | 292 | 78.49% | 111 | 71.15% | 403 | 76.33% | |
| Mixed and serous | 80 | 21.51% | 45 | 28.85% | 125 | 23.67% | |
| Tumor grade | 0.198 | ||||||
| G1 | 73 | 19.62% | 25 | 16.02% | 98 | 18.56% | |
| G2 | 93 | 25.00% | 27 | 17.31% | 120 | 22.73% | |
| G3 | 206 | 55.38% | 104 | 66.67% | 310 | 58.71% | |