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Table 1 Patient characteristics

From: Intracranial control after Cyberknife radiosurgery to the resection bed for large brain metastases

Characteristic Value
Sexa  
 Male (%) 15 (50)
 Female (%) 15 (50)
Age in years at CK  
 Median (range) 58 (28–97)
Primary tumora  
 NSCLC (%) 12 (40)
 SCLC (%) 1 (3)
 Breast (%) 6 (20)
 Melanoma (%) 4 (13)
 Other (%) 7 (23)
Extracranial diseasea  
 Newly diagnosed/ progressing (%) 15 (50)
 None/ stable (%) 15 (50)
Median GPA classa  
 Breast 2 (1.5–3.5)
 NSCLC/SCLC 2.5 (1.5–3.5)
 Melanoma 3 (2–3)
 GI 2 (2–4)
 Other 2.75 (1–3.5)
Postoperative diameter in cm  
 Median (range) 3.8 (2.8–6.7)
Surgery extentb  
 GTR (%) 19 (58)
 STR (%) 14 (42)
Synchronous intact metsa  
 Yes (%) 10 (33)
 No (%) 20 (67)
Weeks from resection to CK  
 Median (range) 7 (4–19)
  1. Preop preoperative, CK Cyberknife, GTR gross total resection, STR subtotal resection, mets metastases, NSCLC non-small cell lung cancer, SCLC small cell lung cancer, GI gastrointestinal
  2. a N = 30 patients
  3. b N = 33 cases