TABLE 1.

Species identification of 196 Acinetobacter sp. isolates and frequency of isolates that express very major errors by disk diffusion

Species (genomospecies)Frequency (%)No. (%)a with very major errors by DD
A. baumannii (GS 2)b96 (49.0)17 (38.6)
A. calcoaceticus (GS 1)b5 (2.6)1 (2.3)
A. haemolyticus (GS 4)2 (1.0)
A. johnsonii (GS 7)5 (2.6)1 (2.3)
A. junii (GS 5)2 (1.0)
A. lwoffii (GS 8/9)6 (3.1)3 (6.8)
GS 3b24 (12.2)5 (11.4)
GS 102 (1.0)
GS 113 (1.6)
GS 10/111 (0.5)
GS 124 (2.0)
GS 13b24 (12.2)12 (27.3)
GS 143 (1.6)1 (2.3)
GS 151 (0.5)
GS 161 (0.5)1 (2.3)
Unable to identify to species level17 (8.7)3 (6.8)
Total196 (100)44 (100)
  • a All errors were with β-lactam agents, except for one with tobramycin.

  • b Genomospecies 1, 2, 3, and 13 make up the A. calcoaceticus-baumannii complex.