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Table 1 Demographic characteristics of CRC positives (CPs) and CRC negatives (CNs)

From: 16S rRNA sequencing analysis of the oral and fecal microbiota in colorectal cancer positives versus colorectal cancer negatives in Iranian population

Variables

Group

p-value

CPs

CNs

Age, mean (SD)

58.88 (15.18)

45.40 (13.04)

0.007

Gender, N (%)

  

0.512

 Female

12 (48.00)

5 (33.33)

 

 Male

13 (52.00)

10 (66.67)

 

Profession, N (%)

  

0.045

 Butler

0 (0.00)

1 (13.33)

 

 Employee

5 (4.00)

8 (20.00)

 

 Housewife

13 (48.00)

4 (26.67)

 

 Retired

7 (24.00)

2 (0.00)

 

Family history, N (%)

  

0.036

 No

13 (52.00)

13 (86.67)

 

 Yes

12 (48.00)

2 (13.33)

 

Disease history or surgical history, N (%)

  

0.018

 No

11 (44.00)

12 (80.00)

 

 Yes

14 (56.00)

3 (20.00)

 

Viral infection, N (%)

  

1.000

 No

23 (92.00)

15 (100.00)

 

 Yes

2 (8.00)

0 (0.00)

 

Smoking, N (%)

  

0.033

 No

19 (76.00)

15 (100.00)

 

 Yes

6 (24.00)

0 (0.00)

 

Alcohol consumption, N (%)

  

0.545

 No

24 (96.00)

15 (100.00)

 

 Yes

   

Nutrition diet, N (%)

  

0.225

 All food

16 (64.00)

11 (73.33)

 

 High fruit and vegetable

2 (8.00)

3 (20.00)

 

 High meat consumption

7 (28.00)

1 (6.67)

 

Physical activity, N (%)

  

0.001

 No

23 (92.00)

6 (40.00)

 

 Yes

2 (8.00)

9 (60.00)

 
  1. The independent t-test was used to compare the mean of age between CRC and CRC negative. The Fisher exact test or exact Pearson Chi-Square was used to evaluate the relation between categorical variables and group