Figure 2
From: How emergency departments might alert for prehospital heat-related excess mortality?
Heatstroke-related overmortality indicator: validation sample. The three annual periods were superimposed and synchronised weekly. The vertical dashed lines define the heat-wave period (3–19 August 2003). (a) Indicator calculated for validation using the Hôtel-Dieu Hospital data (2001, blue curve; 2002, green curve; 2003, red curve). (b) Hôtel-Dieu indicator (red curve) and Paris mortality (black curve).