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[Nonparametric approach to the determination of critical diameters. Comparison with conventional methods].

Authors
  • Flandrois, J P
  • Carret, G
Type
Published Article
Journal
Pathologie Biologie
Publisher
Elsevier
Publication Date
Jun 01, 1984
Volume
32
Issue
5 Pt 2
Pages
488–491
Identifiers
PMID: 6087246
Source
Medline
License
Unknown

Abstract

Bacteria are usually classified as susceptible (S), intermediate (l) or resistant (R) by comparison of their MICs with two reference MIC cutoff levels. Three sets Sc, Ic and Rc are thus constructed. By using agar diffusion, the same bacteria are classified as Sd, Id or Rd, by comparison of inhibition zone diameters with two reference diameter breakpoints. These Sd, Id and Rd sets are not absolutely identical with Sc, Ic and Rc respectively. Diameter breakpoints were submitted to successive adjustments until minimal differences were achieved, i.e. when the greatest possible number of elements was included in the sets: (Formula: see text) Comparison of this method with more conventional techniques emphasizes its value.

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