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Volume 18, Number 4—April 2012
Research

Comparison of Escherichia coli ST131 Pulsotypes, by Epidemiologic Traits, 1967–2009

James R. JohnsonComments to Author , Marie-Hélène Nicolas-Chanoine, Chitrita DebRoy, Mariana Castanheira, Ari Robicsek, Glen Hansen, Scott Weissman, Carl Urban, Joanne Platell, Darren Trott, George Zhanel, Connie Clabots, Brian D. Johnston, Michael A. Kuskowski, and the MASTER Investigators
Author affiliations: Veterans Affairs Medical Center, Minneapolis, Minnesota, USA (J.R. Johnson, C. Clabots, B.D. Johnston, M.A. Kuskowski); University of Minnesota, Minneapolis (J.R. Johnson, B.D. Johnston, M.A. Kuskowski); Hôpital Beaujon, Clichy, France (M.-H. Nicolas-Chanoine); The Pennsylvania State University, College Park, Pennsylvania, USA (C. DebRoy); JMI Laboratories, North Liberty, Iowa, USA (M. Castanheira); NorthShore University HealthSystem, Evanston, Illinois, USA (A. Robicsek); Hennepin County Medical Center, Minneapolis (G. Hansen); University of Washington, Seattle, Washington, USA (S. Weissman); New York Hospital Queens, Flushing, New York, USA (C. Urban); New York University School of Medicine, New York, New York, USA (C. Urban); University of Queensland, Brisbane, Queensland, Australia (J. Platell); University of Adelaide, Adelaide, South Australia, Australia (D. Trott); University of Manitoba, Winnipeg, Manitoba, Canada (G. Zhanel)

Main Article

Table 5

Segregation, by ecologic source, of multiple-isolate pulsotypes and of Escherichia coli ST131 isolates from the pulsotypes, 1967–2009*

Ecologic source No. pulsotypes, n = 65 Total no. isolates, n = 474 No. isolates
 No. pulsotypes comprising isolates
HU, n = 412 CA, n = 21 FA, n = 28 OA, n = 7 Food, n = 4 Water, n = 2 HU, n = 57 CA, n = 8 FA, n = 13 OA, n = 2 Food, n = 2
HU 57 453 NA 19 12† 7 1† 2 NA
CA 8 216 178‡ NA 8 6§ 3 0 7 NA
FA 13 43 7† 3 NA 1 4† 0 5† 2 NA.
OA 2 140 118 13‡ 1† NA 1 0 2 1 1 NA
Food 2 11 1† 2 3§ 1 NA 0 1 1 2§ 1 NA
Water 2 84 82† 0§ 0‡ 0 0 NA 2 0 0 0 0

*Blank spaces indicate duplicated comparisons (mirror image of matrix). Boldface indicates significant associations; boldface italics indicate negative associations. ST, sequence type; HU, human; CA, companion animal; FA, food animal; OA, other animal; NA, not applicable.
†p<0.001 for indicated source vs. all other sources (Fisher exact test).
‡p<0.01 for indicated source vs. all other sources (Fisher exact test).
§p<0.05 for indicated source vs. all other sources (Fisher exact test).

Main Article

1MASTER (Macrorestriction Analysis of ST131 for Epidemiologic Research) Investigators who contributed data are listed at the end of this article.

Page created: March 15, 2012
Page updated: March 15, 2012
Page reviewed: March 15, 2012
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.
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