Table 6:
Multivariate Cox Regression Analysis for Overall Survival Over Hispanic Population
| Variable | Hazard Ratio | 95% CI (Lower) | 95% CI (Upper) | p-value |
|---|---|---|---|---|
| KPS | ||||
| ≥70 | 1 | Reference | ||
| <70 | 1.153 | 0.795 | 12.628 | 0.102 |
| Extent of Surgical Resection | ||||
| Gross Total Resection | 1 | Reference | ||
| Subtotal Resection | 2.948 | 1.111 | 7.825 | 0.030 |
| Biopsy | 15.890 | 3.292 | 76.696 | 0.001 |
| RPA Class | ||||
| III | 1 | Reference | ||
| IV | 9.094 | 1.046 | 79.095 | 0.045 |
| V/VI | 4.041 | 0.457 | 35.762 | 0.209 |
| RT Technique | ||||
| IMRT | 1 | Reference | ||
| 3D CRT | 0.656 | 0.257 | 1.673 | 0.377 |
| 2D | 0.482 | 0.114 | 2.035 | 0.321 |
| RT Total Dose | ||||
| <36 Gy | 9.611 | 1.420 | 65.039 | 0.020 |
| 36–54 Gy | 0.978 | 0.297 | 3.220 | 0.970 |
| >54 Gy | 1 | Reference |