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. Author manuscript; available in PMC: 2021 Jun 15.
Published in final edited form as: Front Environ Sci. 2014 Feb 19;2:3. doi: 10.3389/fenvs.2014.00003

FIGURE 2 ∣. Penalized regression splines for all-cause mortality on daily mean temperature for summer (June to September in 2001–2008).

FIGURE 2 ∣

Each figure shows the spline curve (the solid line) with a 95% confidence interval (dashed line); In each graph, X-axis indicates temperature (°C) and Y-axis indicates temperature-mortality relative risk (RR); Vertical dotted lines indicate 75th percentile of temperature for each city.