Faecal N-nitrosodimethylamine (NDMA) concentrations in patients with inflammatory bowel disease (IBD) and in healthy controls
| Controls (n = 17) | All IBD cases (n = 17) | Non-hospitalised cases (n = 10) | Hospitalised cases (n = 7) | |
|---|---|---|---|---|
| *Average concentration of NDMA positive samples. | ||||
| †p<0.05, ††p<0.01: significantly higher compared with the control group (Mann-Whitney U test). | ||||
| ‡p<0.05: significantly lower compared with non hospitalised cases (Mann-Whitney U test). | ||||
| %NDMA positive | 35 | 41 | 56 | 25 |
| NDMA (ng/g)* | 1.4 | 10.9† | 14.3†† | 2.4‡ |