Twenty four hour urine recovery of51Cr EDTA as a percentage of oral dose in smoking patients with ulcerative colitis and healthy controls
| 51Cr-EDTA | |||
|---|---|---|---|
| n | Median (%) | Range | |
| Smoking patients | 16 | 2.7 | 0.9–4.6 |
| Smoking controls | 25 | 1.6 | 0.8–4.2 |
p=0.005, Wilcoxon’s rank sum test.