Calibration of the disk diffusion test for trovafloxacin susceptibility testing of four anaerobic species G. Kronvall, E. Holst Clinical Microbiology.

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Calibration of the disk diffusion test for trovafloxacin susceptibility testing of four anaerobic species G. Kronvall, E. Holst Clinical Microbiology and Infection Volume 6, Issue 4, Pages 195-201 (April 2000) DOI: 10.1046/j.1469-0691.2000.00031.x Copyright © 2000 European Society of Clinical Infectious Diseases Terms and Conditions

Figure 1 Regression lines for trovafloxacin (10 μg disk) and four anaerobic species, B. fragilis, B. thetaiotaomicron, C. perfringens, and P. magnus, as determined using single strain regression analysis, SRA. Lines are curved because the calculations are performed on zone size squared for improved accuracy. MIC values are shown as 2-log+9 where 1 mg/L=9; 0.5 mg/L=8, etc. Clinical Microbiology and Infection 2000 6, 195-201DOI: (10.1046/j.1469-0691.2000.00031.x) Copyright © 2000 European Society of Clinical Infectious Diseases Terms and Conditions

Figure 2 Calculated inhibition zone diameters corresponding to an MIC value of 8mg/L for different disk contents and using species-specific regression lines according to SRA. Clinical Microbiology and Infection 2000 6, 195-201DOI: (10.1046/j.1469-0691.2000.00031.x) Copyright © 2000 European Society of Clinical Infectious Diseases Terms and Conditions