Table 2.

Influence of treatment with Escherichia coli Nissle 1917 (Mutaflor) and/or rifaximin and induction of colitis on the total number of Escherichia coli identified by qPCR in feces samples.

Experimental groups	The number of bacteria (CFU/g)
Control	2.41 × 105 ± 7.59 × 104
Mutaflor	6.42 × 106 ± 3.21 × 106
Rifaximin	2.95 × 102 ± 1.69 × 102
Rifaximin + Mutaflor	5.54 × 104 ± 2.28 × 104
Colitis + NaCl	7.57 × 108 ± 4.38 × 108 a
Colitis + Mutaflor	1.11 × 107 ± 4.22 × 106 b
Colitis + rifaximin	1.27 × 103 ± 6.68 × 102 b
Colitis + rifaximin + Mutaflor	4.52 × 105 ± 1.68 × 105 b

Mean value ± SEM. N = 8 observations in each experimental group. ^a P < 0.05 compared to control; ^b P < 0.05 compared to colitis + NaCl.