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Table 1 Patient characteristics

From: Stereotactic radiosurgery for single brain metastases from non-small cell lung cancer: progression of extracranial disease correlates with distant intracranial failure

Characteristic n(%)
Total patients 88
Site of treatment  
 Georgetown University Hospital 48 (55%)
 University of North Carolina 40 (45%)
Sex (n) (per patient)  
 M 71 (81%)
 F 17 (19%)
Age (y) (per patient)  
 Median 65
 Range 37-84
ECOG Performance Status  
 Median 1
 0 26 (30%)
 1 30 (34%)
 2 18 (20%)
 3 4 (5%)
 4 2 (2%)
 Unknown 8 (9%)
Status of systemic disease*  
 Stable 38 (43%)
 Progressive 38 (43%)
 Unknown 12 (14%)
Extracranial metastases**  
 Present 69 (78%)
 Absent 16 (18%)
 Unknown 3 (3%)
Recursive Partitioning Analysis Class  
 1 4 (5%)
 2 67 (76%)
 3 8 (9%)
 Unknown 9 (10%)
  1. * Systemic disease present, unknown to be stable vs. progressive, in 12 patients.
  2. ** Status unknown in 3 patients.