Table 2 Correlation between presentation with bone metastases and primary tumour characteristics

From: Bone metastases from breast carcinoma: histopathological – radiological correlations and prognostic features

  

Bone metastases at presentation with metastatic disease

 

Tumour characteristics

Yes

No

Univariate analysis

Histological grade (%)

1

14 (70)

6 (30)

χ2=7.90

 

2

71 (68)

34 (32)

P=0.0193

 

3

94 (52)

87 (48)

 

ER status (%)

+VE

157 (69)

71 (31)

χ2=19.755

 

−VE

60 (45)

73 (55)

P<0.0001

Lymph node stage (%)

1

29 (48)

31 (52)

χ2=6.13

 

2

70 (68)

33 (32)

P=0.0467

 

3

40 (60)

27 (40)

 

Primary tumour size (mm) (%)

<15

23 (55)

19 (45)

χ2=4.389

 

15–30

56 (37)

96 (63)

P=0.1114

 

>30

35 (40)

52 (60)

 

Patient age (%)

40

15 (56)

12 (44)

χ2=2.889

 

41–50

46 (64)

26 (36)

P=0.5766

 

51–60

56 (56)

44 (44)

 
 

61–70

59 (60)

40 (40)

 
 

>70

91 (65)

48 (35)

 

Tumour type (%)

Ductal NST

114 (56)

89 (44)

Ductal NST vs tubular mixed χ2=5.03 P=0.025

 

Tubular mixed

24 (77)

7 (23)

 
 

Lobular

25 (69)

11 (31)

 
 

Mixed ductal and lobular

10 (50)

10 (50)

Ductal NST vs lobular χ2=2.22 P=0.136

 

Pure tubular

2 (67)

1 (33)