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Table 2 Correlation of susceptibility test methods for 52 S. maltophilia strains

From: The antimicrobial susceptibility of Stenotrophomonas maltophilia isolates using three different methods and their genetic relatedness

  % Discrepance   
  Very Major Major Error Minor Error % Correlation
N = 52 Agar-disc Agar-E-test Agar-disc Agar-E-test Agar-disc Agar-E-test Agar-disc Agar-E-test
Ceftazidime 5.8 5.8 0 0 17.3 13.4 76.9 80.8
Cefepime 0 1.9 0 0 11.5 23.1 88.5 75.0
Piperacillin 0 0 1.9 1.9 38.5 38.5 59.6 59.6
PTZ 1.9 0 0 1.9 34.6 23.1 63.5 75.0
TLc 0 1.9 1.9 0 17.3 19.2 80.8 78.9
Ciprofloxacin 5.8 5.8 0 0 32.7 32.7 61.5 61.5
SXT 0 0 0 0 0 0 100 100
  1. PTZ: Piperacillin/tazobactam, TLc: Ticarcillin/clavulanate, SXT: Trimethoprim/sulfamethoxazole