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Table 2 Culture analysis of fecal and colonic mucosal samples from D-IBS patients and healthy controls.

From: Luminal and mucosal-associated intestinal microbiota in patients with diarrhea-predominant irritable bowel syndrome

  Aerobic* Anaerobic* Clostridium spp.* Bacteroides spp.* Lactobacillus spp.* Bifidobacterium spp.* E. coli*
Fecal samples:        
D-IBS patients 1.4 × 107 6.2 × 109 2.0 × 109 8.6 × 108 8.7 × 105 1.1 × 109 7.4 × 106
Healthy controls 8.4 × 108 3.1 × 109 6.0 × 108 3.5 × 108 8.7 × 107 6.4 × 108 1.4 × 108
P value¥ 0.002 0.14 0.11 0.07 0.08 0.43 0.13
Mucosal samples:        
D-IBS patients 2.2 × 106 9.3 × 106 9.7 × 105 4.6 × 106 -§ 1.3 × 106 1.1 × 106
Healthy controls 4.8 × 105 6.5 × 106 1.9 × 106 1.4 × 106 -§ 5.9 × 105 7.5 × 103
P value¥ 0.96 0.85 0.36 0.78 - 0.68 0.44
  1. *Concentrations expressed in CFUs/g of sample.
  2. § Below detection levels.
  3. ¥ P value calculated using the non-parametric Mann-Whitney test.