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. Author manuscript; available in PMC: 2022 Jun 1.
Published in final edited form as: Addiction. 2021 Dec 27;117(6):1781–1786. doi: 10.1111/add.15778

FIGURE 2.

FIGURE 2

Maps of state-level pre-pandemic US substance use disorder (SUD) treatment and unmet treatment need. Maps I-IV: Rates per 100 000 population of (I) clients in treatment for SUD age 18 or older; (II) Medication for opioid use disorders (MOUD) treatment at facilities with opioid treatment programs; (III) SUD based on DSM-IV criteria; (IV) needing but not receiving treatment for SUD