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Table 2 Contingency table comparing vascularisation (Chalkley count: low [less than 7] and high [7 or more]) with the clinicopathological characteristics of the patients with breast cancer (χ2 test P value)

From: Relative microvessel area of the primary tumour, and not lymph node status, predicts the presence of bone marrow micrometastases detected by reverse transcriptase polymerase chain reaction in patients with clinically non-metastatic breast cancer

Characteristic

Vascularisation

P

 

Low

High

 

Age in years

   

<50

4 (40%)

6 (60%)

0.97

50–64

12 (36%)

21 (64%)

 

>65

9 (36%)

16 (64%)

 

Lymph node status

   

Negative

16 (44%)

20 (56%)

0.26

Positive

10 (31%)

22 (69%)

 

Grade

   

I

10 (37%)

17 (63%)

0.79

II

9 (33%)

18 (67%)

 

III

6 (43%)

8 (57%)

 

Oestrogen receptor

   

Negative

17 (34%)

33 (66%)

0.43

Positive

8 (44%)

10 (56%)

 

Micrometastases (CK-19 RGE)

   

≥ 0.77

10 (30%)

23 (70%)

0.04

<0.77

15 (52%)

14 (48%)

 

T-stage

   

T1/T2

21 (47%)

24 (53%)

0.05

T3/T4

5 (22%)

18 (78%)

 
  1. CK-19 RGE, cytokeratin-19 relative gene expression.
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Breast Cancer Research

ISSN: 1465-542X

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