TABLE 1.
Species as determined by conventional testing (n) | No. of correct identifications by:
|
No. (species) of incorrect identifications by:
|
||||||
---|---|---|---|---|---|---|---|---|
API 20E | API Rapid 32E | Micronaut E | YeASa | API 20E | API Rapid 32E | Micronaut E | YeAS | |
Y. enterocoliticaT (1) | 1 | 1 | 1 | 1 | ||||
Y. enterocoliticab (12) | 12 | 11 | 12 | 12 | 1 | |||
Y. enterocoliticac (58) | 55 | 5 | 52 | 44 | 2 (NTd) | 6 (NT) | 3 (Yersinia frederiksenii) | 14 |
1 (Havnia alvei) | 42 (Yersinia intermedia), 4 (Yersinia frederik-senii), 1 (Havnia alvei) | 1 (Serratia sp.) | ||||||
2 (Havnia alvei) | ||||||||
Y. pseudotuberculosis (20) | 18 | 17 | 17 | 20 | 2 (NT) | 3 (NT) | 3 (NT) | |
Y. intermedia (17) | 3 | 12 | 1 | 14 | 2 (NT) | 4 (NT) | 2 (NT) | 3 |
12 (Yersinia enterocolitica) | 1 (Yersinia frederiksenii) | 13 (Yersinia enterocolitica) | ||||||
1 (Yersinia frederiksenii) | ||||||||
Other Yersinia species (10) | 4 | 4 | 2 | 10 | 2 (NT) | 2 (NT) | 1 (NT) | |
1e (Havnia alvei) | 1 (Havnia alvei) | 4 (Yersinia enterocolitica) | ||||||
3 (Yersinia enterocolitica) | 1 (Yersinia intermedia) | 1 (Yersinia kristensenii) | ||||||
2 (Yersinia enterocolitica) | 1 (Salmonella pullorum) | |||||||
1 (Citrobacter sp.) | ||||||||
Totalf (118) | 93 | 50 | 85 | 100 | 25 | 68 | 33 | 18 |
YeAS, Yersinia enterocolitica Amplification Set.
Y. enterocolitica strains of enteropathogenic serovars.
Y. enterocolitica strains of apathogenic serovars.
NT, not typeable.
Indicated as differential diagnosis.
Total percent correct identifications by API 20E, API Rapid 32E, Micronaut E, and the Yersinia enterocolitica Amplification set were 79, 42, 72, and 85%, respectively.