UniODA vs. Spearman Rank ρ: Between-Raters Reliability of Scores on the Adverse Drug Reaction Probability Scale

Paul R. Yarnold

Optimal Data Analysis, LLC

The Adverse Drug Reaction Probability Scale (APS) algorithm is widely-used for rating the probability that an adverse drug event is drug-induced. Prior research (Figure 1, p. 695) presented APS ratings generated by two independent experts for N = 129 challenging cases. Between-rater reliability of these ratings is computed by and compared between Spearman’s rank-order correlation and UniODA.

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