Iron intake in patients with inflammatory bowel disease (IBD) and controls
| Reference | n | Iron intake (mg/day)†† | Iron density (mg/1000 kcal) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| IBD | Controls | IBD | Controls | ||||||
| Males | Females | Males | Females | Males | Females | Males | Females | ||
| †‡§Results from patients with Crohn’s disease or ulcerative colitis. | |||||||||
| ¶**Results from patients with Crohn’s disease. Controls were selected randomly from a general practitioner database. | |||||||||
| †§No control group was used. | |||||||||
| ‡Controls were patients with gastrointestinal functional disorders. | |||||||||
| §Vitamin and mineral supplements are not included. | |||||||||
| ††Recommended intakes of iron are male 8–8.7 mg/day and female 14–14.8 mg/day (Department of National Health and Welfare, Canada 1983; Department of Health, UK, 1991). | |||||||||
| —, data not available. | |||||||||
| ***p<0.001. | |||||||||
| Hodges et al 1984105† | 47 | 17.6 | 11.7 | – | – | 6.4 | 6.5 | – | – |
| Gee et al 1985106‡ | 64 | 16.6 | 11.4 | 13.5 | 9.2 | 6.2 | 6.4 | 6.2 | 7.2 |
| Imes et al 1987107§ | 137 | 18.0 | 11.2 | – | – | 6.1 | 6.3 | – | – |
| Crohn’s disease | Controls | Crohn’s disease | Controls | ||||||
| Geerling et al 1998108¶ | 32 | 13.3 | 13.5 | 5.0 | 5.5 | ||||
| Lomer et al 200419** | 91 | 9.3*** | 11.6 | 4.5*** | 5.6 | ||||