Folic acid (n = 15) | Placebo (n = 16) | |
---|---|---|
Values are number (%) of patients. | ||
No of adenomas | ||
1 | 11 (73%) | 11 (69%) |
1–3 | 3 (20%) | 5 (31%) |
>3 | 1 (7%) | 0 (0%) |
Type of adenoma | ||
Tubular | 2 (13%) | 1 (6%) |
Tubulovillous | 11 (73%) | 12 (75%) |
Villous | 2 (13%) | 2 (13%) |
Serrated | 0 (0%) | 1 (6%) |
Degree of dysplasia | ||
Mild | 3 (20%) | 2 (13%) |
Moderate | 9 (60%) | 9 (56%) |
Severe | 3 (20%) | 4 (25%) |