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Performance of MALDI-TOF MS DOT-MGA for direct detection of carbapenem nonsusceptibility in Enterobacterales from positive blood culturesa
| Processing method | Validity (%)b | Sensitivity (%)c | Specificity (%)c |
|---|---|---|---|
| Lysis/centrifugation | 96.4 | 100 | 100% |
| Differential centrifugation | 96.4 | 92.3 | 100% |
Evaluated with MBT MASTeR prototype software. Incubation time, 4 h; n = 27.
Percentage of tests with growth control successfully detected.
Calculated for valid tests.
