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Table 1 Cases characteristics

From: Bone density as a marker for local response to radiotherapy of spinal bone metastases in women with breast cancer: a retrospective analysis

Age

  

Median

60 years

 

Range

32-88 years

 
 

n

%

Karnofsky performance status

30-70%

40

29.6%

80-90%

95

70.3%

Histology

  

Invasive ductal

107

79.3%

Invasive lobular

28

20.7%

Receptor status positivity

 

ER (N = 34)

28

82.4%

PgR (N = 50)

40

80.0%

HER2 (N = 135)

39

28.9%

Site

  

Thoracic

99

73.3%

Lumbar

36

26.7%

Number of bone metastases

 

Solitary

59

43.7%

Multiple

76

56.3%

Treatment indications

 

Pain

69

51.1%

Instability

44

32.6%

Pathological fracture

 

Before RT

29

21.5%

After RT

8

5.9%

Surgical corset

  

During RT

82

60.7%