Table 2.
Comparison of clinical data between the training set and testing set.
| Covariates | Type | Training set (n=172) | Testing set (n=171) | p |
|---|---|---|---|---|
| Age (%) | <=65 | 61.05 | 64.91 | 0.53 |
| >65 | 38.95 | 35.09 | ||
| Unknown | 0.00 | 0.00 | ||
| Gender (%) | Female | 31.98 | 32.16 | 1.00 |
| Male | 68.02 | 67.84 | ||
| Grade (%) | G1-3 | 93.6 | 96.49 | 0.75 |
| G4 | 4.07 | 2.92 | ||
| Unknown | 2.33 | 0.58 | ||
| Stage (%) | Stage I-II | 68.02 | 70.76 | 0.51 |
| Stage III-IV | 26.16 | 22.22 | ||
| Unknown | 5.81 | 7.02 | ||
| T (%) | T1-2 | 73.26 | 73.68 | 0.95 |
| T3-4 | 26.16 | 25.15 | ||
| Unknown | 0.58 | 1.17 | ||
| M (%) | M0 | 76.16 | 66.67 | 0.91 |
| M1 | 0.58 | 1.17 | ||
| Unknown | 23.26 | 32.16 | ||
| N (%) | N0 | 72.67 | 66.67 | 1.00 |
| N1 | 1.16 | 0.58 | ||
| Unknown | 26.16 | 32.75 |