Mucosal bacterial microflora and mucus layer thickness in adolescents with inflammatory bowel disease

Table 1 Median number of isolated bacteria per gram in different groups from inflamed and non inflamed tissue taken from children with CD, UC and from the control group

Bacterial groups (taxons)	Children with UC (n =12)		Children with CD (n = 22)		Children in control group (n = 24)
	Inflamed site	Non-inflamed	Inflamed site	Non-inflamed
Enterobacteriacae	4.92 × 105	5.55 × 106	2.17 × 107	9.71 × 106	1.94 × 107
Enterococcus	1.80 × 106	1.27 × 106	1.36 × 106	1.43 × 106	6.82 × 105
Streptococcus	6.83 × 105	1.07 × 106	1.29 × 108b	1.33 × 106	5.39 × 106
Lactobacillus	9.28 × 107a	7.30 × 106	3.37 × 106	7.76 × 106	1.01 × 107
Bifidobacterium	5.56 × 106a	7.14 × 107	8.62 × 106a	3.15 × 107	1.99 × 108
Bacteroides	1.63 × 106	5.13 × 102	1.24 × 105	2.31 × 105	1.63 × 106
Total number of cultured bacteria	5.83 × 108a	4.79 × 108	3.93 × 108	2.30 × 108	1.77 × 108

^aP < 0.05,

^bP < 0.01 differences between inflamed site and the control group; CD: Crohn’s disease; UC: Ulcerative colitis.