Use of the API 20E, Oxi/Ferm, and Minitek systems to identify nonfermentative and oxidase-positive fermentative bacteria: Seven years of experience

摘要: Abstract The API 20E (API) system, the Oxi/Ferm (OXF) and Minitek (min) system were used over a seven-year period to identify clinical isolates of nonfermentative bacteria (NFB) oxidase-positive fermentative (OPFB). A totol 742 NFB OPFB tested with 988 OXF 918 MIN system. organisms represented 34 recognized species, nine alpha-numeric designates, three species unnamed NFB. Results compared those obtained conventional test methods, which considered correct in all instances. accuracy identification was 61% API, 80% OXF, 72% MIN. Identification more favorable for systems oxidase-negative than bacteria. successfully identified 84% 48% organisms, 93% 75%, 96% 61%. Failure usually result failure generated codes appear compendia, rather misidentification, especially organisms. required greatest number supplemental ratio .65 (supplemental tests per isolate) least (.20). most .46 fewest (.16).