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. 2019 Jun 6;2019(6):CD002034. doi: 10.1002/14651858.CD002034.pub2

2. External validity.

Study Sample size Age (median and range) Sex (%M:F) Histology KPS Extent of surgery Subgroups analysed Follow‐up
Vuorinen 2003 Total = 30 Resection = 14 Biopsy = 16 Resection: 70 (66 to 80). Biopsy: 72 (67 to 79) Resection: 7 male and 3 female.
Biopsy: 4 male and 9 female
Resection: grade IV: 10; malignant lymphoma: 1; haematoma: 1; infarct: 1; withdrawal: 1. Biopsy: grade IV: 8; grade III: 5; metastases: 2; haematoma: 1 Resection: 80 (60 to 90). Biopsy: 70 (60 to 90) Total: 2; Subtotal: 7; Resection: 1 None. Subsequent hazard ratios stratified for tumour grade and radiotherapy dose. Up to 590 days

KPS: Karnofsky Performance Score