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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: J Subst Abuse Treat. 2020 Jan 30;112:42–48. doi: 10.1016/j.jsat.2020.01.017

Figure 4: Overall opioid-related overdose by subpopulation.

Figure 4:

Figure legend: Each point represents the overall rate of opioid-related overdose in select subpopulations per 100 person-years, and the error bars represent the 95% confidence interval for each estimate, calculated assuming a Poisson distribution. The vertical line through the overall rate provides a visual representation of how opioid overdose rates in subpopulations compares to the overall overdose rate. NOKA = no other known admission.