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Table 1 Demographic and histological characteristics of control subjects and colorectal cancer patients

From: Molecular detection, quantification, and isolation of Streptococcus gallolyticus bacteria colonizing colorectal tumors: inflammation-driven potential of carcinogenesis via IL-1, COX-2, and IL-8

Controls

Mean age (years)

57.4 ± 4.7

Male: female ratio

1.18: 1

CRC-wo/bac patients (52 patients)

Mean age (years)

59.22 ± 8.18

Male: female ratio

1.2: 1

Duke's staging N (%)

B1: 7 (13.4)

 

B2: 7 (13.4)

 

C1: 9 (17.3)

 

C2: 12 (23)

 

D: 17 (32.6)

Tumor differentiation N (%)

Grades 1-2: 21 (40.3)

 

Grades 3-4: 31 (59.6)

CRC-w/bac patients (39 patients)

Mean age (years)

56.6 ± 6.7

Male: female ratio

1.16: 1

Duke's staging -N (%)

B1: 4 (10.2)

 

B2: 6 (15.3)

 

C1: 7 (17.9)

 

C2: 10 (25.6)

 

D: 13 (33.3)

Tumor differentiation N (%)

Grades 1-2: 17 (43.5)

 

Grades 3-4: 22 (56.4)

Localization of tumors in CRC-w/bac and CRC-wo/bac patients (91 patients)

Left colon & rectum -N (%)

48/91 (52.7)

Rectum only - N(%)

15/48 (31.2)

Right colon -N (%)

31/91 (34)

Transverse colon -N (%)

12/91 (13.2)