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Table 2 Demographic characterization of the individual patient groups

From: The presence of bacteria varies between colorectal adenocarcinomas, precursor lesions and non-malignant tissue

Feature

CRC (Tumors)

CRC (paired normal tissue)a

Adenomas

Diverticula

Number of samples

99

 

76b

 

96

 

104

 

Age (median)

71c

 

70.5c

 

66

 

63

 

 Standard deviation

± 10.1

 

± 9.9

 

± 11.7

 

± 14.0

 

Age groups (%)

No.

(%)

No.

(%)

No.

(%)

No.

(%)

  < 40

0

(0.0)

0

(0.0)

1

(1.0)

3

(2.9)

 40–49

2

(2.0)

1

(1.3)

6

(6.3)

16

(15.4)

 50–59

8

(8.1)

5

(6.6)

18

(18.8)

24

(23.1)

 60–69

35

(35.4)

28

(36.8)

30

(31.3)

25

(24.0)

 70–79

28

(28.3)

22

(28.9)

25

(26.0)

17

(16.3)

 80–89

22

(22.2)

16

(21.1)

15

(15.6)

19

(18.3)

  > 90

4

(4.0)

4

(5.3)

1

(1.0)

0

(0.0)

Gender (%)

No.

(%)

No.

(%)

No.

(%)

No.

(%)

 Male

44

(44.4)

41

(53.9)

47

(48.0)

55

(52.9)

 Female

55

(55.6)

35

(46.1)

51

(52.0)

49

(47.1)

  1. aHealthy colon mucosa surrounding the tumor tissue. b 23 samples were removed following examination of the HE stained sections by a trained pathologist, due to presence of cancer cells. cpatients donating tumors and paired normal tissue are significantly older than those with adenomas or diverticula