Figure 1From: Elemental concentrations of ambient particles and cause specific mortality in Santiago, Chile: a time series study Percent increase (95% Confidence Interval) in cause-specific mortality per 10μg/m 3 increases in the 2 days average PM 2.5 , and for an IQR increase in the elements after including the interaction between PM 2.5 and the mean monthly concentration ratios of elements in the total PM 2.5 mass. Back to article page