Figure 3
From: Funnel plots, performance variation and the Myocardial Infarction National Audit Project 2003–2004
Funnel plot for percentage of patients receiving aspirin as secondary prevention medication on discharge from hospital. Data abstracted from the MINAP Third Public Report.[11] LCL = lower control limit, UCL = upper control limit, target = National Service Framework for coronary heart disease goal of 80%, target 25% = more than 25% from the goal.