Comparison of oral versus intravenous methadone on postoperative pain and opioid use after adult spinal deformity surgery: A retrospective, non-inferiority analysis

• Kamilla Esfahani ,

  Contributed equally to this work with: Kamilla Esfahani, Siny Tsang, Bhiken I. Naik, Lauren K. Dunn

  Roles Conceptualization, Writing – original draft, Writing – review & editing

  * E-mail: ke4h@virginia.edu

  Affiliation Department of Anesthesiology, University of Virginia, Charlottesville, Virginia, United States of America

  https://orcid.org/0000-0001-9505-6661

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• William Tennant,

  Roles Data curation

  Affiliation Department of Anesthesiology, University of Virginia, Charlottesville, Virginia, United States of America

  ⨯
• Siny Tsang ,

  Contributed equally to this work with: Kamilla Esfahani, Siny Tsang, Bhiken I. Naik, Lauren K. Dunn

  Roles Formal analysis

  Affiliation Department of Anesthesiology, University of Virginia, Charlottesville, Virginia, United States of America

  ⨯
• Bhiken I. Naik ,

  Contributed equally to this work with: Kamilla Esfahani, Siny Tsang, Bhiken I. Naik, Lauren K. Dunn

  Roles Conceptualization, Investigation, Methodology, Supervision, Writing – review & editing

  Affiliations Department of Anesthesiology, University of Virginia, Charlottesville, Virginia, United States of America, Department of Neurological Surgery, University of Virginia, Charlottesville, Virginia, United States of America

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• Lauren K. Dunn

  Contributed equally to this work with: Kamilla Esfahani, Siny Tsang, Bhiken I. Naik, Lauren K. Dunn

  Roles Conceptualization, Investigation, Methodology, Supervision, Writing – review & editing

  Affiliations Department of Anesthesiology, University of Virginia, Charlottesville, Virginia, United States of America, Department of Neurological Surgery, University of Virginia, Charlottesville, Virginia, United States of America

  https://orcid.org/0000-0003-4167-2068

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