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Table 1 Demographic and clinical parameters of patients with metastatic colorectal cancer

From: Amphiregulin and Epiregulin mRNA expression in primary colorectal cancer and corresponding liver metastases

Characteristics

Frequency

%

Age

  

Mean (range)

63.5 (32-91)

 

Gender

  

Male

70

58.3%

Female

50

41.7%

Anatomical Site

  

Right colon

35

29.2%

Transverse colon

8

6.7%

Left colon

50

41.7%

Rectum

27

22.5%

Histology

  

Well differentiated

89

74.2%

Moderately differentiated

27

22.5%

Poor/Mucinous

4

3.3%

Dukes Grade

  

A

2

1.7%

B

34

28.3%

C

84

70.0%

Liver synchronicity

  

Synchronous

100

83.3%

Metachronous

20

16.7%

Lymph node metastasis

  

Positive

84

70.0%

Negative

36

30.0%

Adjuvant chemotherapy

  

Received

102

85.0%

Not received

6

5.0%

Unknown

12

10%

  1. This study was approved by the ethics committee of Tokyo Women's Medical University, and was performed in accordance with the Declaration of Helsinki.