TABLE 4 

Association of ST131 subclones with clinical sepsis among 162 recent clinical isolates of Escherichia coli ST131 from the United States

Clinical presentationNo. (%) of isolates with associated clinical presentation
Total ST131 isolates
(n = 162)
ST131 subclone(s)
Non-H30
(n = 56)
H30 (n = 174)
Non-H30-R
(n = 6)
H30-R (n = 165)
Non-H30-Rx (n = 82)H30-Rx
(n = 18)
No sepsis150 (92.6)54 (96)6 (100)77 (94)13 (72)
Sepsis12 (7.4)2 (4)a0 (0)b5 (6)c5 (28)a,b,c,d
  • a For prevalence of sepsis, H30-Rx compared to non-H30, P = 0.008 (FET).

  • b For prevalence of sepsis, H30-Rx compared to non-H30-R (H30), P = 0.28 (FET).

  • c For prevalence of sepsis, H30-Rx compared to non-H30-Rx (H30-R), P = 0.016 (FET).

  • d  For prevalence of sepsis, H30-Rx compared to all other ST131 (7/144, 5%), P = 0.005 (FET).