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. 2017 Aug 24;61(9):e00642-17. doi: 10.1128/AAC.00642-17

TABLE 4.

Factors independently associated with imipenem, imipenem-relebactam, ceftazidime, and ceftazidime-avibactam MICs against KPC-K. pneumoniae isolates by multivariate analysisa

Factor P value
Imipenem Imipenem-relebactam Ceftazidime Ceftazidime-avibactam
ESBL 0.84 0.44 0.002 0.90
KPC-3 variant 0.21 0.74 0.01 <0.0001
Major OmpK36 mutation <0.0001 <0.0001 0.001 0.07
a

Isolates that carried MBL and OXA-carbapenemase were excluded from the analysis.