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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