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Table 2 Daily energy and nutrient intake of the study population (mean ± SD) compared with Dietary Reference Values (where available)

From: Dietary intakes in people with irritable bowel syndrome

Total daily intakes IBS participants
(n = 104)
DRV P
Energy intake (MJ) 9.74 ± 3.163 8.6521 0.01
Carbohydrate (g) 298 ± 100.5 - -
Protein (g) 86.5 ± 30.89 47.32 < 0.001
Fat (g) 79.3 ± 33.27 - -
% energy from carbohydrates 51.4 ± 7.15 473 < 0.001
% energy from protein 14.9 ± 2.65 153 0.783
% energy from fat 29.8 ± 5.41 333 < 0.001
% energy from alcohol 5.5 ± 6.90 - -
Non-starch polysaccharides (g) 23.4 ± 9.39 183 < 0.001
Calcium (mg) 1012 ± 381.4 7004 < 0.001
Vitamin C (mg) 158 ± 67.5 404 < 0.001
Folate (μg) 354 ± 111.0 2004 < 0.001
Riboflavin (mg) 2.0 ± 0.73 1.145 < 0.001
  1. DRV: UK Dietary Reference Values (Department of Health 1991)
  2. 1Estimated average requirement for energy intake, weighted for the study population. Estimated average requirements for energy intake for men and women aged 19-50 years are 10.6 MJ/day and 8.10 MJ/day respectively.
  3. 2 Reference Nutrient Intake for protein, weighted for the study population. Reference nutrient intakes for protein for men and women aged 19-50 years are 55.5 mg/day and 45 mg/day respectively.
  4. 3Population average
  5. 4 Reference Nutrient Intake
  6. 5 Reference Nutrient Intake for riboflavin, weighted for the study population. Reference nutrient intakes for riboflavin for men and women aged 19-50 years are 1.3 mg/day and 1.1 mg/day respectively.
  7. Significance was assessed using two-tailed one-sample t-tests.