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Table 1 Subject characteristics and values for food and yeast antibodies in subjects with and without IBS

From: IgG and IgG4 antibodies in subjects with irritable bowel syndrome: a case control study in the general population

Subject characteristics and food groups

IBS

Non-IBS

p

n = 269

n = 277

Female, % (0.0)

67.7

68.2

0.89

Age, years (0.0)

43.9 (10.1)

43.5 (10.0)

0.57

BMI, kg/m2 (0.2)

26.9 (4.6)

26.6 (4.2)

0.70

Education, years (0.4)

12.0 (3.5)

12.9 (3.3)

0.024

Number of diseases (0–9) (7.5)

0.8 (1.1)

0.5 (0.9)

< 0.001

HSCL101 (1–4) (6.4)

1.6 (0.6)

1.3 (0.4)

< 0.001

Allergic rhinitis, % (4.0)

21.4

10.3

< 0.001

Musculoskeletal complaints (0–12) (34.6)

3.5 (3.0)

2.0 (2.2)

< 0.001

Physical activity, hours/day (10.6)

2.8 (1.7)

3.0 (1.7)

0.11

Smoking, % (1.3)

34.7

35.4

0.87

IgG antibodies FP52 (0.0)

35.7 (35.1)

38.8 (37.0)

0.12

IgG antibodies FP733 (0.0)

6.5 (4.6)

6.8 (5.9)

0.46

IgG antibodies against milk, mg/L (0.0)

13.0 (13.9)

16.1 (22.9)

0.046

IgG antibodies against egg, mg/L (0.0)

31.8 (37.3)

33.3 (36.4)

0.47

IgG antibodies against wheat, mg/L (0.0)

11.5 (10.9)

13.5 (15.8)

0.039

IgG antibodies against pork, mg/L (0.0)

4.2 (2.2)

4.2 (1.9)

0.60

IgG antibodies against beef, mg/L (0.0)

6.3 (1.6)

6.5 (1.6)

0.24

IgG antibodies against chicken, mg/L (0.0)

5.7 (3.8)

6.2 (5.1)

0.091

IgG antibodies against cod, mg/L (0.0)

4.1 (2.8)

4.0 (2.1)

0.55

IgG antibodies against brewers’ yeast, mg/L (0.0)

9.0 (7.3)

8.5 (6.0)

0.40

IgG antibodies against Candida albicans, mg/L (0.0)

66.8 (56.1)

55.5 (46.8)

0.057

IgG4 antibodies against milk, mg/L (0.0)

7.9 (13.0)

8.6 (12.9)

0.13

IgG4 antibodies against egg, mg/L (0.0)

12.8 (16.9)

14.4 (17.7)

0.31

IgG4 antibodies against wheat, mg/L (0.0)

1.3 (3.0)

1.8 (5.2)

0.13

IgG4 antibodies against Candida albicans, mg/L (0.0)

0.3 (0.4)

0.3 (0.3)

0.62

Fruits and berries, g/day (1.3)

86.6 (76.1)

94.5 (78.9)

0.17

Vegetables, g/day (1.5)

146.9 (118.2)

142.2 (107.1)

0.74

Potatoes, g/day (1.1)

118.6 (78.4)

124.7 (79.8)

0.41

Dairy products, portions/day (12.8)

2.0 (1.5)

2.5 (1.4)

< 0.001

Water, 100 ml/day (1.1)

3.8 (1.9)

3.8 (1.8)

0.78

Carbonated beverages, 100 ml/day (0.0)

2.0 (2.3)

1.5 (1.7)

0.015

Coffee, 100 ml/day (0.4)

4.1 (3.2)

4.6 (3.6)

0.18

Tea, 100 ml/day (0.2)

1.6 (2.6)

1.2 (1.9)

0.22

Juice, 100 ml/day (3.7)

1.0 (1.3)

0.8 (0.9)

0.30

Alcohol, units/day (2.7)

0.24 (0.58)

0.20 (0.29)

0.60

Omega 3 fatty acids, g/day (4.5)

0.7 (0.6)

0.8 (0.7)

0.047

Sugar4, g/day (15.0)

30.6 (24.6)

25.5 (16.5)

0.13

  1. 1Hopkins Symptom Checklist 10 for mood disorder measurement.
  2. 2food panel with the following allergens: milk, egg, cod, wheat, soybean and peanut.
  3. 3food panel with the following meat allergens: chicken, beef, pork and lamb.
  4. 4estimated and calculated from the intake of fruits and berries, juice and carbonated beverages with sugar.
  5. From original data obtained using the Mann–Whitney U test/Chi-square test. The ranges for ordinal variables, and the percentage missing, are given in parentheses. Values are mean (SD) unless otherwise.
  6. stated.
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BMC Gastroenterology

ISSN: 1471-230X

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