Comparison 4. Wheat bran fibre with or without low fat diet versus control.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Number of participants with at least one recurrent adenoma	3	1360	Risk Ratio (M‐H, Fixed, 95% CI)	1.03 [0.88, 1.19]
2 Number of participants with more than one adenoma	1	637	Risk Ratio (M‐H, Fixed, 95% CI)	1.11 [0.97, 1.29]
3 Number of participants with at least one adenoma 1 cm or greater	2	943	Risk Ratio (M‐H, Fixed, 95% CI)	1.02 [0.81, 1.27]