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Table 1 The associations between serum ECD level and clinicopathological characteristics in 185 breast cancer patients

From: Relationships between serum HER2 ECD, TIMP-1 and clinical outcomes in Taiwanese breast cancer

Clinical parameters

ECD negative

N = 162

ECD positive

N = 23

ρ value

Age (year-old)

   

< = 50

91 (94.8%)

5 (5.2%)

0.002*

> 50

71 (79.8%)

18 (20.2%)

 

Tumor size (cm)

   

< = 3

114 (90.5%)

12 (9.5%)

0.080

> 3

48 (81.4%)

11 (18.6%)

 

Lymph node status

   

Negative

102 (92.7%)

8 (7.3%)

0.010*

Positive

60 (80.0%)

15 (20.0%)

 

Stage

   

0

13 (92.9%)

1 (7.1%)

< 0.0001*

I

37 (97.4%)

1 (2.6%)

 

II

95 (90.5%)

10 (9.5%)

 

III

17 (60.7%)

11 (39.3%)

 

SBR grade

   

Low

81 (92.0%)

7 (8.0%)

0.029*

High

52 (80.0%)

13 (20.0%)

 

DNA ploidy

   

Diploid

40 (95.2%)

2 (4.8%)

0.033*a

Non-diploid

69 (80.2%)

17 (19.8%)

 

Estrogen receptor status (ER)

   

Negative

93 (80.9%)

22 (19.1%)

0.0002*a

Positive

69 (98.6%)

1 (1.4%)

 

Progesterone receptor status (PR)

   

Negative

107 (83.6%)

21 (16.4%)

0.015*a

Positive

55 (96.5%)

2 (3.5%)

 

HER2/neu expression (IHC)

   

Negative or Weak

43 (100.0%)

0 (0.0%)

0.003*a

Strong (> = 3+)

119 (83.8%)

23 (16.2%)

 
  1. *statistically significant at p < 0.05.
  2. Monoclonal antibody 6F11 was used as the primary antibody for ER IHC staining and the cutoff was set at 10% of tumor cells displayed staining to define "ER positive".
  3. aby Fisher's exact test