Figure 1From: Detecting and diagnosing hotspots for the enhanced management of hospital emergency departments in Queensland, Australia Daily counts of ED presentations. For each of the three disease groups being monitored, this figure gives the daily number of presentations across all hospitals. Each series is plotted for the three year period between 2006 and 2008. The seasonal increase in the number of presentations for each group is visible each winter (June-September).Back to article page