TABLE 3.
Clinical evaluation of the BLESSED protocol using 155 rectal samples for the detection of ESBL-PE compared with culture of rectal swab medium on ESBL chromID agar plates (reference method)a
| Isolated bacterium or BLESSED protocol result | No. of samples with culture result |
|||
|---|---|---|---|---|
| Negative | Positive for: |
|||
| ESBL-PE | H-CASE GNB | Other | ||
| Isolated bacterium | ||||
| None | 106 | |||
| Escherichia coli | 12 | 3 | 0 | |
| Klebsiella pneumoniae | 6 | 0 | 0 | |
| Enterobacter cloacae | 5 | 11 | 0 | |
| Klebsiella oxytoca | 0 | 0 | 0 | |
| Citrobacter freundii | 0 | 1 | 0 | |
| Klebsiella aerogenes | 0 | 1 | 0 | |
| Pseudomonas aeruginosa | 0 | 8 | 0 | |
| Acinetobacter baumannii | 0 | 1 | 0 | |
| Stenotrophomonas maltophilia | 0 | 0 | 1 | |
| Total | 106 | 23 | 25 | 1 |
| BLESSED protocol result | ||||
| Positive | 6 | 22 | 3 | 0 |
| Negative | 100 | 1 | 22 | 1 |
a
ESBL-PE, extended-spectrum-β-lactamase-producing Enterobacteriaceae; H-CASE GNB, cephalosporinase-hyperproducing Gram-negative bacilli.