How do I interpret the test results from DelvoScan?

The DelvoĀ®Scan software reads the color of the test and provides a qualitative Yes-No/POS-NEG test result.  The values, expressed in Z-values, are evaluated based on the set cut-off level.   The DelvoĀ®Scan with DelvotestĀ® T and SP-NT, the default Cut-Off is Z=0.00

Values above the threshold level (Z= +0.01) are indicated as ā€˜Posā€™, whereas values below or equal (Z=0.00) as ā€˜Negā€™. 

Please note that the Z-values are not in any way making the DelvotestĀ® quantitative. It remains a qualitative POS/NEG test based on microbial inhibition. Z-value are expressed in 2 decimal places, these represent no accuracy, there is no standard deviation defined.