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A risk‐adjusted Sets method for monitoring adverse medical outcomes
Author(s) -
Grigg O. A.,
Farewell V. T.
Publication year - 2004
Publication title -
statistics in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.996
H-Index - 183
eISSN - 1097-0258
pISSN - 0277-6715
DOI - 10.1002/sim.1763
Subject(s) - computer science , representation (politics) , event (particle physics) , statistics , plot (graphics) , adverse effect , medicine , mathematics , physics , quantum mechanics , politics , political science , law
Abstract The Sets method has been advocated in previous work as a method for monitoring adverse medical outcomes where the adverse event rate is low. Here, a risk‐adjusted version of the refined Sets method is presented and an example is given to demonstrate its advantage over the unadjusted method. The method is suitable for any risk distribution and does not assume that changes in risk will be small. A graphical representation, referred to as the Grass plot, of the original and risk‐adjusted methods is also given. Copyright © 2004 John Wiley & Sons, Ltd.