Derivation and validation of a preoperative risk model for postoperative mortality (SAMPE model): An approach to care stratification

• Luciana Cadore Stefani ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: lpstefani@hcpa.edu.br

  Current address: Serviço de Anestesia e Medicina Perioperatória—Hospital de Clinicas de Porto Alegre, RS, Brazil

  ¶‡ These authors also contributed equally to this work.

  Affiliations Department of Surgery, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil, Anesthesia and Perioperative Medicine Service, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil, Medical Science Postgraduation Program,- Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil, Laboratory of Pain and Neuromodulation, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil

  http://orcid.org/0000-0002-3038-3108

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• Claudia De Souza Gutierrez ,

  Roles Formal analysis, Investigation, Project administration

  ¶‡ These authors also contributed equally to this work.

  Affiliations Anesthesia and Perioperative Medicine Service, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil, Medical Science Postgraduation Program,- Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil

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• Stela Maris de Jezus Castro ,

  Contributed equally to this work with: Stela Maris de Jezus Castro, Rafael Leal Zimmer, Felipe Polgati Diehl, Leonardo Elman Meyer

  Roles Conceptualization, Data curation, Software, Validation

  Affiliation Department of Statistic—Instituto de Matemática e Estatística—UFRGS, Porto Alegre, RS, Brazil

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• Rafael Leal Zimmer ,

  Contributed equally to this work with: Stela Maris de Jezus Castro, Rafael Leal Zimmer, Felipe Polgati Diehl, Leonardo Elman Meyer

  Roles Software, Visualization

  Affiliation Medical Science Postgraduation Program,- Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil

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• Felipe Polgati Diehl ,

  Contributed equally to this work with: Stela Maris de Jezus Castro, Rafael Leal Zimmer, Felipe Polgati Diehl, Leonardo Elman Meyer

  Roles Methodology, Writing – original draft

  Affiliation Anesthesia and Perioperative Medicine Service, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil

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• Leonardo Elman Meyer ,

  Contributed equally to this work with: Stela Maris de Jezus Castro, Rafael Leal Zimmer, Felipe Polgati Diehl, Leonardo Elman Meyer

  Roles Methodology, Writing – original draft

  Affiliation Anesthesia and Perioperative Medicine Service, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil

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• Wolnei Caumo

  Roles Conceptualization, Formal analysis, Methodology, Writing – original draft

  ¶‡ These authors also contributed equally to this work.

  Affiliations Department of Surgery, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil, Anesthesia and Perioperative Medicine Service, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil, Medical Science Postgraduation Program,- Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil, Laboratory of Pain and Neuromodulation, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil

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