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Table 4 Correlations between the food antibodies and the patient characteristics, biochemical and dietary data

From: Is perceived intolerance to milk and wheat associated with the corresponding IgG and IgA food antibodies? A cross sectional study in subjects with morbid obesity and gastrointestinal symptoms

 

IgG cow’s milk

IgG cheese

IgA casein

IgG wheat

IgG gluten

IgA gliadin

Age, years

Rho: 0.05, P = 0.67

Rho: 0.11, P = 0.35

Rho: −0.04, P = 0.73

Rho: 0.09, P = 0.44

Rho: 0.03, P = 0.82

Rho: −0.02, P = 0.90

Gender (0 = female, 1 = male)

Rho: 0.14, P = 0.24

Rho: 0.20, P = 0.09

Rho: 0.14, P = 0.26

Rho: 0.04, P = 0.72

Rho: 0.03, P = 0.79

Rho: 0.15, P = 0.22

BMI, kg/m2

Rho: 0.08, P = 0.53

Rho: −0.02, P = 0.87

Rho: 0.17, P = 0.15

Rho: 0.03, P = 0.81

Rho: 0.09, P = 0.46

Rho: 0.12, P = 0.33

IBS (0 = no, 1 = yes)

Rho: 0.04, P = 0.74

Rho: −0.03, P = 0.82

Rho: 0.04, P = 0.74

Rho: −0.16, P = 0.20

Rho: − 0.04, P = 0.72

Rho: 0.06, P = 0.62

GSRS-Pain (range: 1–7)

Rho: −0.04, P = 0.73

Rho: − 0.09, P = 0.47

Rho: − 0.10, P = 0.41

Rho: − 0.07, P = 0.57

Rho: 0.10, P = 0.40

Rho: 0.07, P = 0.59

GSRS-Bloating (range: 1–7)

Rho: −0.11, P = 0.36

Rho: − 0.08, P = 0.53

Rho: − 0.04, P = 0.72

Rho: − 0.14, P = 0.25

Rho: − 0.02, P = 0.85

Rho: − 0.08, P = 0.52

GSRS- Diarrhea (range: 1–7)

Rho: − 0.18, P = 0.14

Rho: − 0.25, P = 0.04*

Rho: −0.19, P = 0.13

Rho: − 0.11, P = 0.35

Rho: 0.01, P = 0.91

Rho: 0.05, P = 0.66

GSRS-Constipation (range: 1–7)

Rho: 0.06, P = 0.61

Rho: 0.05, P = 0.70

Rho: 0.06, P = 0.60

Rho: −0.07, P = 0.55

Rho: −0.05, P = 0.70

Rho: 0.03, P = 0.80

GSRS-Satiety (range: 1–7)

Rho: <−0.01, P = 0.98

Rho: −0.05, P = 0.70

Rho: − 0.20, P = 0.10

Rho: 0.02, P = 0.87

Rho: 0.11, P = 0.36

Rho: −0.20, P = 0.09

S-Zonulin ≥48 ng/ml

Rho: − 0.02, P = 0.89

Rho: 0.05, P = 0.69

Rho: 0.03, P = 0.80

Rho: −0.10, P = 0.40

Rho: − 0.10, P = 0.41

Rho: 0.27, P = 0.02*

Hypothyroidism (0 = no, 1 = yes)

Rho: 0.06, P = 0.63

Rho: 0.09, P = 0.47

Rho: 0.14, P = 0.25

Rho: 0.26, P = 0.04*

Rho: 0.22, P = 0.07

Rho: 0.15, P = 0.23

Dietary intake, g/day

      

Milk, cream and cheese

Rho: 0.01, P = 0.94

Rho: −0.02, P = 0.84

Rho: − 0.06, P = 0.61

NA

NA

NA

Bread, cereals and cakes

NA

NA

NA

Rho: −0.12, P = 0.30

Rho: −0.09, P = 0.44

Rho: 0.13, P = 0.27

How certain are you that milk/wheat is the offending food? (VAS-scale: 0–100; a high value indicates high degree of certainty) †

Rho: 0.30, P = 0.18

Rho: 0.19, P = 0.41

Rho: 0.09, P = 0.68

Rho: 0.05, P = 0.83

Rho: −0.14, P = 0.57

Rho: −0.30, P = 0.23

  1. NA Not applicable, IBS Irritable Bowel Syndrome, GSRS Gastrointestinal Symptom Rating Scale-IBS, VAS-scale Visual Analogue Scale
  2. †Included only those with perceived milk or wheat intolerance respectively
  3. *Statistically significant: P < 0.05