C. Registration.Sensitivity_testing.html June 1998

The results of sensitivity testing are recorded on the working sheet or in a protocol.

When a diffusion method is used the inhibition zone diameter is recorded in mm or semiquantitatively: 0 - +++ or 0 - 3.

Recording directly into an electronic memory has the consequence that the results may be changed without a trace and, therefore, perhaps without justification.

These considerations are true with any diffusion method: Neosensitabs Rosco, Biodisc, Oxo etc. if the method is usable, i.e. distinguishes sensitive, S, strains from resistant strains, R, and, sometimes, intermediate, I. See D. Evaluation and Surveillance.