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. 2023 Aug;15(4):503–512. doi: 10.18502/ijm.v15i4.13504

Table 2.

Prevalence of virulence factors in various phylogenetic groups of extraintestinal Escherichia coli isolates.

Virulence factors Phylogenetic Group Total

A B1 B2 D
(n= 15) 48.3% (n=2) 6.45% (n= 8) 25.8% (n= 6) 19.35% (n= 31) 100%
fyuA (15) 100% (2) 100% (6) 75% (5) 83.3% (28) 90.3%
fimH (15) 80% (1) 50% (7) 87.5% (4) 66.7% (24) 77.4%
ompt (10) 66.6% (2) 100% (6) 75% (6) 100% (24) 77.4%
traT (7) 46.7% (1) 50% (3) 37.5% (5) 83.3% (16) 51.6%
iutA (9) 60% (1) 50% (8) 100% (5) 83.3% (23) 74.1%
PAI (4) 26.7% (1) 50% (4) 50% (1) 16.7% (10) 32.3%
papAH (2) 13.3% - (3) 37.5% (1) 16.7% (6) 19.3%
kpsMTII (9) 60% - (8) 100% (4) 66.7% (20) 64.5%
Usp - - - (1) 16.7% (1) 3.22%
Hemolysis
Alfa (6) 40% (1) 50% (4) 50% (3) 50% (14) 45.1%
Beta (7) 46.7% (1) 50% (3) 37.5% (2) 33.3% (13) 41.9%
Gamma (2) 13.3% - (1) 12.5% (1) 16.7% (4) 12.9%
Biofilm
Non adherent (3) 20% - (2) 25% - (5) 16.1%
Weak (3) 20% (1) 50% (2) 25% (3) 50% (9) 29.1%
Moderate (8) 53.3% (1) 50% (3) 37.5% - (12) 38.7%
Strong (1) 6.7% - (1) 12.5% (3) 50% (5) 16.1%
Pathogenicity
Pdar (9) 60% - (4) 50% - (13) 41.9%
Rdar - - - (2) 33.3% (2) 6.45%
Bdar (6) 40% (2) 100% (4) 50% (4) 66.7% (16) 51.6%
Saw - - - - -