Study individuals No. (%) of isolates positive for the indicated phylogroup
Gender No. of E. coli isolates
A B1 B2 D
Females 121 83 (68.5) 19 (15.7) 5 (4.1) 13 (10.7)
Males 84 53 (63.0) 19 (22.6) 4 (4.7) 8 (9.5)
Total 205 136 (66.3) 38 (18.5) 9 (4.3) 21 (10.2)
Table 1: Distribution of phylogenetic groups among fecal E. coli isolates from healthy males and females.