Table 3.
Correlations between the predicted risk subgroups and clinical covariates.
| Clinical | Squared | p-value | Feature types |
|---|---|---|---|
| Tumor stage | 19.02 | 5.0E−4 | Stage I; stage II; stage III; stage IV |
| Treatment or therapy | 9.15 | 0.006 | Yes; No |
| Gender | 4.73 | 0.033 | Male; Female |
| Survival time | 67.42 | 4.9E−4 | Four intervals (<25%; 25%–50%; 50%–75%; >75%) |
| Race | 6.35 | 0.163 | White; Black or African American; Asian |
| Age | 3.47 | 0.336 | Four intervals (<30; 30–50; 50–70; >70) |
| Treatment type | 0.19 | 0.735 | Radiation therapy; Pharmaceutical therapy |
| Prior malignancy | 0.22 | 0.745 | Yes; No |