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Dietary iron does not impact the quality of life of patients with quiescent ulcerative colitis: an observational study

Zoe Tolkien1, Dora IA Pereira1, Laura Prassmayer1, Emily Fitt1, Gerda Pot12, Simon M Greenfield3 and Jonathan J Powell1*

Author Affiliations

1 MRC Human Nutrition Research, Elsie Widdowson Laboratory, Cambridge, UK

2 Diabetes & Nutritional Sciences Division, School of Medicine, King’s College London, London SE1 9NH, UK

3 Gastroenterology Department, QE2 Hospital, East and North Hertfordshire NHS Trust, Welwyn Garden, UK

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Nutrition Journal 2013, 12:152  doi:10.1186/1475-2891-12-152

Published: 23 November 2013

Additional files

Additional file 1: Figure S1:

Association between dietary iron intakes and quality of life measured with EuroQol index in UC patients with quiescent disease (closed triangles and full black line) and matched ‘healthy’ controls (open circles and dashed black line). A, total dietary iron; B, haem iron; C, non-haem iron; D, fortificant iron. There were no significant slope deviations from zero (linear regression) for both UC patients and matched controls (p>0.05, n=34 per group).

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Additional file 2: Table S1:

Age, quality of life and dietary intakes of main nutrients in matched cases and controls.

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Additional file 3: Figure S2:

Linear association between quality of life measured with the McMaster IBDQ and the generic EuroQol EQ-5D-5L. A, EQ VAS, EuroQuol Visual Analogue Scale score; B, EQ index value. The best-fit line is shown with the 95% confidence band and the p-value for the linear associations: n=48.

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