Figure 2From: Funnel plots, performance variation and the Myocardial Infarction National Audit Project 2003–2004Funnel plot for percentage of patients thrombolysed within 60 minutes of calling for help (CTN 60). Data abstracted from the MINAP Third Public Report.[11] CTN = call to needle time, LCL = lower control limit, UCL = upper control limit, target = National Service Framework for coronary heart disease goal of 48%. Mean and target performance coincide at 48%.Back to article page