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Pattern of progression, after propensity score matching.
| Pattern of progression | Total [n (%)] | PCI [n (%)] | Non-PCI [n (%)] |
|---|---|---|---|
| Only intracranial | 10 (6.7) | 4 (5.3) | 6 (8.0) |
| Only extracranial | 73 (48.7) | 39 (52.0) | 34 (45.3) |
| Intracranial and extracranial | 20 (13.3) | 9 (12.0) | 11 (14.7) |
PCI, prophylactic cranial irradiation.
