1. Dietary Fiber Intake Reduces Risk for Colorectal Adenoma: A Meta-analysis 
Qiwen Ben, Yunwei Sun, Rui Chai, Aihua Qian, Bin Xu, Yaozong Yuan 
Gastroenterology 
Volume 146, Issue 3, Pages e6 (March 2014)
DOI: /j.gastro
Copyright © 2014 AGA Institute Terms and Conditions

2. Figure 1
Flow diagram of the systematic search of literature on dietary fiber intake and the risk of colorectal adenoma.
Gastroenterology  , e6DOI: ( /j.gastro )
Copyright © 2014 AGA Institute Terms and Conditions

3. Figure 2
Meta-analyses of dietary fiber intake and the risk of colorectal adenoma. (A) High vs low intake. (B) Linear dose-response analysis per 10-g/day increase in dietary fiber intake. Studies are grouped according to design.
Gastroenterology  , e6DOI: ( /j.gastro )
Copyright © 2014 AGA Institute Terms and Conditions

4. Figure 3
Meta-analyses of vegetable fiber intake and the risk of colorectal adenoma. (A) High vs low intake. (B) Linear dose-response analysis per 10-g/day increase in vegetable fiber intake. Studies are grouped according to design.
Gastroenterology  , e6DOI: ( /j.gastro )
Copyright © 2014 AGA Institute Terms and Conditions

5. Figure 4
Meta-analyses of fruit fiber intake and the risk of colorectal adenoma. (A) High vs low intake. (B) Linear dose-response analysis per 10-g/day increase in fruit fiber intake. Studies are grouped according to design.
Gastroenterology  , e6DOI: ( /j.gastro )
Copyright © 2014 AGA Institute Terms and Conditions

6. Figure 5
Meta-analyses of cereal fiber intake and the risk of colorectal adenoma. (A) High vs low intake. (B) Linear dose-response analysis per 10-g/day increase in cereal fiber intake. Studies are grouped according to design.
Gastroenterology  , e6DOI: ( /j.gastro )
Copyright © 2014 AGA Institute Terms and Conditions

7. Supplementary Figure 1
Funnel plots of studies evaluating the risk of colorectal adenoma associated with dietary fiber intake.
Gastroenterology  , e6DOI: ( /j.gastro )
Copyright © 2014 AGA Institute Terms and Conditions

8. Supplementary Figure 2
Nonlinear dose-response meta-analysis of total dietary fiber intake and the risk of colorectal adenoma.
Gastroenterology  , e6DOI: ( /j.gastro )
Copyright © 2014 AGA Institute Terms and Conditions