title: Reproducibility of three identification systems for biotyping of coagulase-negative staphylococci.
abstract: Three commercial identification systems were evaluated as tools for biotyping coagulase-negative staphylococci. Emphasis was placed on the reproducibility of component tests and not on the ability of these kits to identify these bacteria accurately. Forty-seven clinical and reference strains of Staphylococcus were tested in duplicate with each system. The Staph-Ident profile of test results changed for 20 strains on repeat testing, the Staph-Trac profile changed for 10 strains, and the Vitek GPI profile changed for 14 strains. The component tests of each system that were responsible for these profile changes were identified.
authors.affiliation: Department of Pathology, Tripler Army Medical Center, Honolulu, Hawaii 96859-5000.
authors.forename: R B
authors.initials: RB
authors.lastname: Hill
authors.forename: G
authors.initials: G
authors.lastname: Sandberg
authors.forename: B A
authors.initials: BA
authors.lastname: Gunn
authors.forename: B J
authors.initials: BJ
authors.lastname: Eberly
mesh_terms: D015373:Bacterial Typing Techniques; D003030:Coagulase / Q000378:metabolism; D015203:Reproducibility of Results; D013210:Staphylococcus / Q000201:enzymology / Q000302:isolation & purification*
chemical_list: D003030:Coagulase