Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 11, Number 1—January 2005
Research

Genetic Background of Escherichia coli and Extended-spectrum β-Lactamase Type

Author affiliations: *Hôpital Louis Mourier, AP-HP, Colombes, France; †INSERM E0339, Paris, France; ‡Hôpital Nord, Amiens, France; §Hôpital Tenon, Paris, France; ¶Hôpital Trousseau, Paris, France; #Hôpital Morvan, Brest, France

Main Article

Table 4

Frequency of virulence factors among ciprofloxacin-susceptible and ciprofloxacin-resistant Escherichia coli strains involved in infection or colonization, according to extended-spectrum β-lactamase (ESBL) type

ESBL type (no. strains) No. (%) strains carrying
Virulence factor 
mean score
pap sfa/foc hly aer
Ciprofloxacin resistance
  TEM (15) 4 (20) 0 0 8 (53) 0.8
  SHV (3) 0 0 0 1 (33) 0.33
  CTX-M (27) 2 (7) 0 0 12 (44) 0.51
  All types (45) 6 (13) 0 0 21 (46) 0.6
Ciprofloxacin sensitivity
  TEM (40) 14 (35) 9 (22) 9 22) 9 (22) 1
  SHV (19) 13 (68) 8 (42) 9(47) 10(52) 2.1
  CTX-M (25) 5 (20) 1 (4) 1 (4) 13 (52) 0.8
  All types (84) 32 (55) 18 (21) 19 (22) 32 (38) 1.2
All strains
  TEM (55) 18 (33) 9 (16) 9 (16) 17 (31) 0.96
  SHV (22) 13 (59) 8 (36) 9 (4) 11 (50) 1.8
  CTX-M (52) 7 (13) 1 (2) 1 (2) 25 (48) 0.6
  All types (129) 38 (29.5) 18 (14) 19 (15) 53 (41) 1

Main Article

Page created: April 14, 2011
Page updated: April 14, 2011
Page reviewed: April 14, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
file_external