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Table 5 Agreement between assessment methods, comparing preventable versus non-preventable adverse drug events, using consensus ratings

From: Methods for evaluating adverse drug event preventability in emergency department patients

Consensus Ratings by Definition Instrumental Agreement
Kappa (95% CIs)
n = 1356
Best Practice-Based [4] vs. Algorithm-Based [24] 0.88 (0.85–0.91)
Algorithm-Based [24] vs. Error -Based [23] 0.89 (0.86–0.91)
Best Practice-Based [4] vs. Error -Based [23] 0.99 (0.98–1.00)