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. 2024 Feb 23;15:1346442. doi: 10.3389/fmicb.2024.1346442

Table 4.

Phenotypical colistin and β-lactam susceptibility profile of K. pneumoniae (Kp) and A. baumannii (Ab) strains.

Strain Meropenem MIC Meropenem/vaborbactam MIC (mg/L) Ceftazidime/avibactam MIC (mg/L) Ceftolozano/tazobactam MIC (mg/L) Cefiderocol Kirby-Bauer result (mm) Colistin MIC (mg/L)
ST395 Kp 229 16 >256 >256 16 22 mm 0.5
ST395 Kp 322 32 >256 >256 16 24 mm 0.5
ST395 Kp 326 32 >256 >256 16 22 mm 0.5
ST395 Kp 233 32 >256 >256 16 22 mm 0.5
ST395 Kp 236 16 >256 >256 16 20 mm 0.5
ST395 Kp 273 32 >256 16 8 22 mm 0.5
ST395 Kp 304 64 >256 16 8 22 mm 0.5
ST395 Kp 281 32 >256 16 16 20 mm 0.5
ST395 Kp 267 16 >256 64 8 20 mm 0.5
ST395 Kp 300 64 >256 64 8 20 mm 0.5
ST17 Kp 234 16 1 0.5 8 20 mm 0.5
ST17 Kp 241 16 2 0.5 16 20 mm 0.5
ST17 Kp 325 16 0.064 0.5 8 22 mm 0.5
ST17 Kp 324 16 1 0.5 8 20 mm 0.5
ST17 Kp 323 32 0.064 0.5 8 22 mm 0.5
ST101 Kp 209 16 2 1 16 18 mm 0.5
ST101 Kp 244 16 2 1 16 20 mm 0.5
ST101 Kp 230 64 1 1 16 18 mm 0.5
ST101 Kp 312 64 0.064 0.5 8 20 mm 0.5
ST307 Kp 316 16 2 1 1 22 mm 0.5
ST307 Kp 341 16 1 1 16 19 mm 0.5
ST307 Kp 285 16 2 2 16 20 mm 0.5
ST46 Kp 327 16 0.064 0.5 8 20 mm 0.5
ST46 Kp 248 16 1 0.5 8 19 mm 8
ST35 Kp 232 16 >256 >256 16 22 mm 0.5
ST2 Ab 292 16 NA NA NA 17 mm 0.5
ST2 Ab 230/2 128 NA NA NA 20 mm 0.5
ST2 Ab 250 16 NA NA NA 22 mm 0.5
ST2 Ab 311 64 NA NA NA 18 mm 0.5

NA, Not applicable according to EUCAST guidelines.