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Original Research

A Rapid Antimicrobial Susceptibility Test for Klebsiella pneumoniae Using a Broth Micro-Dilution Combined with MALDI TOF MS

ORCID Icon, & ORCID Icon
Pages 1823-1831 | Published online: 14 May 2021

Figures & data

Figure 1 The PCR results of different genes involved in drug resistance in 30 carbapenems-resistance strains of K. pneumoniae.

Notes: M, Marker; 1 2, blaCTX-M1; 3 4, blaCTX-M9; 5 6, blaTEM; 7 8, blaDHA; 9 10, blaFOX; 11 12, blaKPC.
Figure 1 The PCR results of different genes involved in drug resistance in 30 carbapenems-resistance strains of K. pneumoniae.

Figure 2 The mass spectra of K. pneumoniae acquired by MALDI-TOF MS.

Notes: (A) Successful identification with a score ≥90; (B) Failed identification with a score <90.
Figure 2 The mass spectra of K. pneumoniae acquired by MALDI-TOF MS.

Table 1 The MIC of Ceftriaxone and Imipenem Determined by MALDI-TOF MS and Broth Micro-Dilution Method in 30 Carbapenems-Resistant Strains of K. pneumoniae

Table 2 The MIC of Ceftriaxone and Imipenem Determined by MALDI-TOF MS and Broth Micro-Dilution Method in 30 Susceptible Strains of K. pneumoniae

Table 3 The Agreement of the MIC Values Determined by MALDI-TOF MS and Broth Micro-Dilution Method