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Table 3 Daily energy and nutrient intake of the study population (mean ± SD) by gender compared to the National Diet and Nutrition Survey

From: Dietary intakes in people with irritable bowel syndrome

Total daily intakes IBS Men
(n = 23)
NDNS Men† P IBS Women
(n = 81)
NDNS Women† P
Energy intake (MJ) 10.86 ± 3.435 8.88 ± 2.388 0.011 9.422 ± 3.027 6.54 ± 1.730 < 0.001
Carbohydrate (g) 335 ± 115.0 275 ± 79 0.020 287 ± 94.0 203 ± 59 < 0.001
Protein (g) 92.0 ± 31.64 88.2 ± 32.67 0.574 84.9 ± 30.69 63.7 ± 16.61 < 0.001
Fat (g) 90.2 ± 36.84 86.5 ± 28.17 0.636 76.1 ± 31.72 61.4 ± 21.72 < 0.001
% energy from carbohydrates 52.1 ± 8.11 47.7 ± 6.03 0.017 51.2 ± 6.90 48.5 ± 6.72 0.001
% energy from protein 14.2 ± 2.41 16.5 ± 3.63 < 0.001 15.1 ± 2.69 16.6 ± 3.50 < 0.001
% energy from fat 30.3 ± 5.15 35.8 ± 5.63 < 0.001 29.6 ± 5.50 34.9 ± 6.52 < 0.001
% energy from alcohol 6.3 ± 7.17 6.5 ± 7.20 0.886 5.2 ± 6.85 3.9 ±5.11 0.087
Non-starch polysaccharides (g) 25.9 ± 10.12 15.2 ± 6.04 < 0.001 22.7 ± 9.09 12.6 ± 5.01 < 0.001
Calcium (mg) 1046 ± 352.9 1007 ± 411.2 0.604 1002 ± 390.8 777 ± 268.7 < 0.001
Vitamin C (mg) 177 ± 80.0 83.4 ± 54.45 < 0.001 152 ± 62.9 81.0 ± 49.93 < 0.001
Folate (μg) 412 ± 121.4 344 ± 126.8 0.014 337 ± 102.8 251 ± 89.9 < 0.001
Riboflavin (mg) 2.2 ± 0.75 2.11 ± 0.939 0.626 2.0 ± 0.72 1.6 ± 0.638 < 0.001
  1. † Mean daily intakes from food sources only of men and women in the UK National Diet and Nutrition Survey (Henderson et al. 2003)
  2. Significance was assessed using two-tailed one-sample t-tests.