Percentage change in area of duodenal polyposis (excluding those patients with less than 5% coverage at baseline) in the placebo and celecoxib 100 mg and 400 mg twice daily groups
| n | Mean change (%) | p Value* | |
|---|---|---|---|
| *Compared with placebo (Wilcoxon rank sum). | |||
| Placebo | 9 | 8.3 | |
| Celecoxib 100 mg | 12 | −26.6 | 0.252 |
| Celecoxib 400 mg | 10 | −30.8 | 0.049 |