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Table 2 Phylogenetic group distribution for 153 E. coli strains stratified by source (human and broilers) and by ciprofloxacin susceptibility status

From: Clonal diversity, virulence genes content and subclone status of Escherichia coli sequence type 131: comparative analysis of E. coli ST131 and non-ST131 isolates from Iran

Phylogenetic group Ciprofloxacin susceptible strains, N = 16 Ciprofloxacin resistant isolates N = 137
ST131 (n = 6) n (%) Non-ST131 (n = 0) Broilers (n = 10) n (%) ST131 (n = 63) n (%) Non-ST131 (n = 56) n (%) Broilers (n = 18) n (%)
A 2 (20) 15 (26.8) 9 (50)
B1 2 (20) 3 (5.4) 1 (5.6)
B2 6 (100) 4 (40) 62 (98.4) 13 (23.2) 0
C 0 5 (8.9) 1 (5.6)
D 1 (10) 1 (1.8) 0
E 0 13 (23.2) 7 (38.9)
F 1 (10) 1 (1.6) 6 (10.7) 0