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| Characteristic | Proton Therapy (n=45) | Photon Therapy (n=43) | P value* |
|---|---|---|---|
|
| |||
| Total Relapses | 10 (22.2%) | 10 (23.3%) | 0.908 |
|
| |||
| Patterns of Failure | 1.000 | ||
| Diffuse or Leptomeningeal Disease | 5 (50%) | 5 (50%) | |
| Isolated Focal Spine | 2 (20%) | 3 (30%) | |
| Isolated Posterior Fossa | 1 (10%) | 2 (20%) | |
| Isolated Brain, other | 1 (10%) | 0 | |
| Posterior Fossa + Focal Spine | 1 (10%) | 0 | |
P-value is calculated by chi-square test or Fisher's exact test, where appropriate.
