Combinations | N (%) | Multivariable Cox analysis HR ((95% CI) | Â |
---|---|---|---|
Only brain RT | 17,879 (19.7) | 0.84 (0.82–0.87) | 0.001 |
Only other RT | 5790 (6.4) | 0.88 (0.83–0.93) | 0.001 |
Only chemotherapy | 7033 (7.8) | 0.83 (0.78–0.88) | 0.001 |
Only surgery | 335 (0.4) | … |  |
Chemotherapy plus brain RT | 31,341 (34.5) | 0.85 (0.83–0.87) | 0.001 |
Chemotherapy plus other RT | 9663 (10.7) | 0.86 (0.82–0.90) | 0.001 |
Surgery plus brain RT | 660 (0.7) | 0.78 (0.64–0.94) | 0.009 |
Surgery plus other RT | 78 (0.1) | … |  |
Surgery plus chemotherapy | 280 (0.3) | 0.74 (0.55–0.99) | 0.046 |
Surgery plus chemotherapy plus brain RT | 1063 (1.2) | 0.75 (0.64–0.88) | 0.003 |
Surgery plus chemotherapy plus other RT | 210 (0.2) | … |  |
No surgery no chemotherapy no RT | 16,398 (18.0) | 0.91 (0.88–0.95) | 0.001 |