TABLE 6

Bacterial Counts as Determined by FISH in Fecal Samples From Patients With Rectal Bleeding (N = 26) and Controls Patients (N = 17)

Bacterial GenusPatients, Counts × 109Controls, Counts × 109P
Bifidobacterium1.35 (0.68–2.10)6.77 (3.20–10.33).0004
Lactobacillus/Enterococcus1.64 (0.63–2.65)5.92 (2.60–9.24).0039
Bacteroides1.83 (0.45–3.22)3.86 (0.59–7.13).18
Clostridium1.27 (0.58–1.96)1.72 (0.69–2.76).43
Total microbial counts4.00 (2.57–5.42)11.11 (6.49–15.74).0007
  • Results are expressed as geometric means (95% confidence interval) of bacterial concentrations per gram wet weight.