Foods of Diet

Questionnaire

IBS-D

(n = 20)

IBS-C

(n = 20)

Control

(n = 20)

P value (overall)

Prevalence

n (%)

Frequency

Mean ± SD

median (IQR)

Prevalence

n (%)

Frequency

Mean ± SD

median (IQR)

Prevalence

n (%)

Frequency

Mean ± SD

median (IQR)

Beans

19 (95)

21 ± 10.2

25 (12 - 30)

17 (85)

19.4 ± 12.2

23 (10 - 30)

20 (100)

16.3 ± 11.7

12 (6 - 30)

0.425

Lentils

16 (80)

4.8 ± 9

1.5 (1 - 2.5)

16 (80)

6.4 ± 11.1

1 (1 - 2)

19 (95)

1.4 ± 0.8

1 (1 - 2)

0.742

Refined bread

1 (5)

1.5 ± 6.7

0 (0)

0 (0)

0 ± 0

0 (0)

0 (0)

0 ± 0

0 (0)

0.368

Milk & dairy products

20 (100)

12.8 ± 10.8

8 (3.5 - 23)

19 (95)

16.6 ± 15.4

10 (5.5 - 30)

20 (100)

15.3 ± 10.2

12 (8 - 30)

0.528

Skinned vegetables

2 (10)

1.1 ± 4.5

0 (0)

1 (5)

0.1 ± 0.2

0 (0)

3 (15)

2.5 ± 7.2

0 (0)

0.528

Skinned fruits

0 (0)

0 ± 0

0 (0)

0 (0)

0 ± 0

0 (0)

2 (10)

1.6 ± 6.7

0 (0)

0.131

Sweets & candies

19 (95)

4.3 ± 4.7

2 (1 - 8)

19 (95)

4.8 ± 6.6

2 (1 - 8)

19 (95)

4.7 ± 3

4 (2 - 8)

0.470

Coffee

17 (85)

17.3 ± 16

14 (1.5 - 30)

16 (80)

19.8 ± 24.8

8 (2.5 - 30)

18 (90)

15.9 ± 16.5

8 (3 - 30)

0.957

Carbonated drinks

20 (100)

13.1 ± 10

12 (4 - 16)

18 (90)

10.3 ± 9.7

8 (2 - 12)

19 (95)

12 ± 10.2

8 (5 - 14)

0.523

Rice

20 (100)

25.7 ± 6.3

30 (20 - 30)

20 (100)

25.5 ± 8.5

30 (25 - 30)

20 (100)

19.6 ± 10

14 (12 - 30)

0.052

Cake, cookies, pasta

20 (100)

19.8 ± 16.1

14 (8 - 30)

20 (100)

17.6 ± 9.5

16 (10 - 30)

20 (100)

11.5 ± 6

10 (8 - 14)

0.081

Large fatty meal

18 (90)

2.7 ± 3.8

1 (1 - 2)

14 (70)

3.4 ± 6.8

1 (0 - 3)

14 (70)

2.4 ± 6.5

1 (0 - 1.5)

0.305