Organisms’ species

by standard culture

IBS-D (n =20)

IBS-C (n = 20)

Controls (n = 20)

P value

(Overall)

Prevalence (%)

Degree

Prevalence (%)

Degree

Prevalence (%)

Degree

Mild

Moderate

Marked

Mild

Moderate

Marked

Mild

Moderate

Marked

Coliform (enterobacterica)

95

15.8

42.1

42.1

95

15.8

68.4

15.8

95

26.3

36.8

36.8

1.000

E. col

90

16.7

38.9

44.4

95

26.3

63.2

10.5

90

22.2

44.4

33.3

0.804

Klebsiella

25

40

20

40

25

80

20

60

25

41.7

33.3

0.030

Other (non fermenters)

10

50

50

30

66.7

33.3

10

50

50

0.235

Aerobic gram positive

80

25

56.3

18.8

95

31.6

63.2

5.3

85

52.9

35.3

11.8

0.364

Staphylococci

55

27.3

72.7

50

70

30

55

54.5

36.4

9.1

0.176

Enterococci

65

30.8

61.5

7.7

70

28.6

64.3

7.1

85

64.7

35.3

0.216

Diphtheroid

35

57.1

42.9

30

83.3

16.7

10

50

50

0.155

Bifidobacterium

5

100

20

100

5

100

0.180

Eubacterium

60

25

41.7

33.3

80

18.8

50

31.3

80

6.3

43.8

50

0.256

Veillonella

40

37.5

62.5

50

20

70

10

65

61.5

38.5

0.281

Peptostreptococci/Ruminococcus

60

16.7

66.7

16.7

75

6.7

73.3

20

65

7.7

76.9

15.4

0.592

Fusobacterium

35

28.6

57.1

14.3

40

50

37.5

12.5

65

7.7

76.9

12.5

0.125

Bacterotides

85

17.6

52.9

29.4

90

33.3

66.7

60

8.3

50

41.7

0.048

Prevotella

50

20

50

30

40

75

25

55

9.1

45.5

45.5

0.627

Clostridium

50

30

40

30

70

7.1

57.1

35.7

65

53.8

46.2

0.400

Actinomyces

20

75

25

5

100

15

100

0.364

Fungus

10

50

50

35

85.7

14.3

5

100

0.024

Candida

5

5

Aspergillus

5

30

0.007

Organisms’ species by VITIC culture

Non fermenters

Serratia

0

2 (10)

0

0.126

Proteus

1 (5)

1 (5)

1 (5)

1.000

Pseudomonas

1 (5)

3 (15)

0

0.153