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Table 1 Patient Characteristics

From: The SBRT database initiative of the German Society for Radiation Oncology (DEGRO): patterns of care and outcome analysis of stereotactic body radiotherapy (SBRT) for liver oligometastases in 474 patients with 623 metastases

  No. of Patients/ Metastases Perent Median Minimum Maximum
  474 pts.     
Age (yr)    64 15 93
Sex
 male 268 pts. 56.7%    
 female 206 pts. 43.3%    
Pretreatment performance scale (Karnofsky index) (%)    90 40 100
Histology
 Colorectal cancer 228 pts. 48.1%    
 Breast cancer 63 pts. 13.3%    
 NSCLC 29 pts. 6.1%    
 Pancreatic cancer 24 pts. 5.1%    
 Others 130 pts. 27.4%    
Chemotherapy prior to SBRT
 Yes 325 pts. 65.6%    
  No 80 pts. 16.9%    
 Unknown 68 pts. 17.6%    
Number of liver metastases per patient 474 pts. / 623 mets   1 1 4
 n = 1 372 pts. 78.5%    
 n = 2–4 102 pts. 21.5%    
Status of extrahepatic disease
 Oligo-recurrence group 119 pts. 25.1%    
 Sync-oligometastases group 235 pts. 49.6%    
 Unknown 120 pts. 25.3%    
Time interval between primary tumor diagnosis and SBRT treatment (months)    27.0 0.0 391.0
Follow-up (months)    15 1 178