Table 3.

Frequency of patterns of hybridization in B. fragilis strains isolated from intestinal and extraintestinal sources

PatternNo. of strains/total (%)
IntestinalExtraintestinal
I75/113 (66)38/113 (33.6)
II35/100 (35)65/100 (65)
III40/82 (48.7)42/82 (51)
IV0/77/7 (100)
V0/22/2 (100)