Cut-Offs and Response Criteria for the Hospital Universitario La Princesa Index (HUPI) and Their Comparison to Widely-Used Indices of Disease Activity in Rheumatoid Arthritis

• Isidoro González-Álvaro ,

  * E-mail: isidoro.ga@ser.es

  Affiliation Rheumatology Department, Hospital Universitario la Princesa, IIS-IP, Madrid, Spain

  http://orcid.org/0000-0001-9614-5199

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• Isabel Castrejón,

  Affiliation Division of Rheumatology, Rush University Medical Center, Chicago, Illinois, United States of America

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• Ana M. Ortiz,

  Affiliation Rheumatology Department, Hospital Universitario la Princesa, IIS-IP, Madrid, Spain

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• Esther Toledano,

  Affiliation Rheumatology Department. Hospital Clínico San Carlos, IdISSC, Madrid, Spain

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• Santos Castañeda,

  Affiliation Rheumatology Department, Hospital Universitario la Princesa, IIS-IP, Madrid, Spain

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• Alberto García-Vadillo,

  Affiliation Rheumatology Department, Hospital Universitario la Princesa, IIS-IP, Madrid, Spain

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• Loreto Carmona,

  Affiliation Instituto de Salud Musculoesquelética, Madrid, Spain

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• EMECAR Study Group

  ¶Membership of the EMECAR study group is provided in the Acknowledgments.

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