Microbiology-PTM-OMA_Modules_1-5
OMA Collaborative (MLV) Study Designs
Method Type # Valid Data Sets Study Design per Collaborator
Statistics
Qualitative
≥10
1 Matrix 12 Replicates High 12 Replicates Low (fractional pos.*) 12 Replicates Noninoculated
LPOD, dLPOD + CI dLPOD CI must include “0” S r with 95% CI S R with 95% CI S L FP/FN rates in text of report
Quantitative ≥8
1 Matrix 2 Replicates High 2 Replicates Medium 2 Replicates Low [2 Replicates Noninoculated]
Log(10) transform DOM + 95% CI S r S R
*Fractional positives defined as LPOD = 0.25‐0.75
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