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Table. 1. Antimicrobial susceptibility of carbapenem-non-susceptible Pseudomonas aeruginosa isolates collected from three Korean hospitals between 2011 and 2019
Antimicrobial agent Non-susceptible isolates, N (%)
ST111 (N=20) ST235 (N=41) ST245 (N=10) Other STs (N=84) Total (N=155)
Amikacin 8 (40.0) 39 (95.1)* 2 (20.0) 28 (33.3) 77 (49.7)
Gentamicin 17 (85.0) 40 (97.6)* 8 (80.0) 49 (58.3) 114 (73.5)
Tobramycin 16 (80.0) 40 (97.6)* 2 (20.0) 31 (36.9) 89 (57.4)
Piperacillin 18 (90.0) 40 (97.6)* 9 (90.0) 76 (90.5) 143 (92.3)
Piperacillin/tazobactam 18 (90.0) 39 (95.1)* 9 (90.0) 75 (89.3) 141 (91.0)
Cefepime 11 (55.0) 38 (92.7)* 7 (70.0) 65 (77.4) 121 (78.1)
Ceftazidime 13 (65.0) 36 (87.8) 9 (90.0)* 66 (78.6) 124 (80.0)
Imipenem 20 (100)* 41 (100)* 10 (100)* 82 (97.6) 153 (98.7)
Meropenem 18 (90.0) 41 (100)* 10 (100)* 76 (90.5) 145 (93.5)
Aztreonam 15 (75.0)* 29 (70.7) 7 (70.0) 63 (75.0)* 114 (73.5)
Ciprofloxacin 18 (90.0) 40 (97.6)* 9 (90.0) 62 (73.8) 129 (83.2)

*The highest resistance rate among the STs.

Ann Lab Med 2024;44:410~417 https://doi.org/10.3343/alm.2023.0369

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