Chemistry-PTM-OMA_Modules_1-4
Analyzing Data – Qualitative Methods
• Use Probability of Detection (POD) statistics • POD is the proportion of positive analytical outcomes for a qualitative method for a given matrix at a given bacterial level or concentration • POD = x/N • Unblind the data • Analyze each level of each matrix separately • Calculate POD and 95% confidence interval (CI) for each method • POD C for the candidate method results • POD R for the reference method results
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