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Table 1 Patient characteristics

From: Normofractionated stereotactic radiotherapy versus CyberKnife-based hypofractionation in skull base meningioma: a German and Italian pooled cohort analysis

  CK hFSRT nFSRT
CKC (blinded) 49 0
CKC (blinded) 156 0
RT (blinded) 0 136
Age [y], median (range) 57 (27–86) 58 (20–84)
DOTATOC PET RT-planning 6 (2.9%) 6 (4.4%)
Total dose [Gy], median (range) 25 (5–61) 59.4 (32.4–63)
Class algorithm: Low risk group, n (%) 6 (3%) 2 (1.5%)
Class algorithm Intermediate risk group, n (%) 12 (5.9%) 10 (7.4%)
Class algorithm High risk group, n (%) 184 (91.1%) 124 (91.2%)
Median follow-up 32.5 (2–135) 41.5 (1–232)
Definitive radiotherapy at first diagnosis 135 (65.9%) 57 (41.9%)
Adjuvant radiotherapy at first diagnosis 16 (7.8%) 34 (25%)
Definitive radiotherapy at relapse 54 (26.3%) 45 (33.1%)
No surgery 135 (65.9%) 52 (38.2%)
Biopsy 6 (2.9%) 5 (3.7%)
Subtotal resection 37 (18.0%) 52 (38.2%)
Gross total resection 25 (12.2%) 18 (13.2%)
Resectional status unclear 2 (1.0%) 9 (6.6%)
Previous RT 4 (2.0%) 1 (0.7%)