Sunday, 27 September 2015

Omega (Ω)

A measure of disproportionate reporting for drug-drug-ADR triplets in ICSR databases, designed to highlight potential signals of drug-drug interactions. Just like the more established disproportionality measures for drug-ADR pairs, Ω is based on a contrast between the observed and expected number of reports. A positive Ω indicates higher reporting than expected.

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