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. Author manuscript; available in PMC: 2023 Jun 1.
Published in final edited form as: Am Heart J. 2022 Mar 7;248:130–138. doi: 10.1016/j.ahj.2022.02.015

Figure 2.

Figure 2.

The hazard ratio (HR, 95%CI) for an early-readmission for any cause for the main unstratified model and stratified by betablocker prescription and time since HF diagnosis. Early readmission was defined as occuring within three days of discharge. Time since HF diagnosis tertiles, lower tertile (< 68 days), middle tertile (68–682 days), upper tertile (> 683 days). HR is expressed per 10 μg/m3 increase in PM2.5. Numbers on the bottom of each grouping represent the respective number of patients (top) and index hospitalizations (bottom) included in each model.