Table 2

Quantitative cultures of colonic wall specimens

Bacterial SpeciesCases/TotalRange2-a
Controls
Lactobacillus sp.3 /31 × 105 to 2 × 105
Colitis: Day 4
Escherichia coli 3 /34 × 106 to 8 × 106
Streptococcus sp.3 /32 × 105 to 2 × 106
Staphylococcus sp.2-b 3 /33 × 105 to 6 × 105
Bacteroides sp.2-c 3 /36 × 105to 4 × 106
Clostridium sp.2-d 1 /34 × 106
Colitis: Day 10
Escherichia coli 3 /31 × 106 to 5 × 106
Streptococcus sp.3 /33 × 104 to 7 × 105
Bacteroides sp.2-c 2 /34 × 104to 3 × 105
Clostridium sp.2-d 3 /34 × 104 to 7 × 105
Lactobacillus sp.3 /31 × 105 to 6 × 105
Colitis: Day 18
Escherichia coli 3 /34 × 105 to 4 × 106
Klebsiella sp.2 /33 × 105 to 4 × 106
Clostridium sp.2-d 2 /35 × 105to 6 × 106
Lactobacillus sp.3 /34 × 105 to 5 × 106

  • ↵2-a Colony-forming units per gram of tissue.

  • ↵2-b Plasma-coagulase negative.

  • ↵2-c B. distasonis in most cases.

  • ↵2-d C. barati in most cases.