• Lucia Muñoz-Narbona, Sandra Cabrera-Jaime, Teresa Lluch-Canut, Natalia Pérez de la Ossa, Jesús Álvarez Ballano, Nuria Zarza Arnau, Rubén Moreno Sánchez, Esther Guerrero Vidal, and Juan Roldán-Merino.
• Institute for Health Science Research Germans Trias I Pujol (IGTP), Department of Neurosciences, Badalona (Barcelona), Spain. Electronic address: lmunoz@igtp.cat.
• Pain Manag Nurs. 2019 Aug 1; 20 (4): 323-330.

BackgroundPain has a significant impact on hospitalized patients and is a quality indicator for nursing care. The Pain Assessment in Advanced Dementia (PAINAD) scale measures pain in people with communication disorders and advanced dementia, but it has not been validated in any other population.AimsThe aim of this study was to validate the Spanish version (PAINAD-Sp) in hospitalized patients with neurologic disorders and in end-of-life cancer patients with difficulty self-reporting.DesignThe study had two phases: (1) analysis of the content by a committee of experts and (2) a cross-sectional study.SettingsWe collected phase 2 data from January 2017 to December 2017 in four hospitals in Barcelona: Hospital Germans Trias i Pujol, Institut Català d'Oncologia, Hospital Vall d'Hebron, and Hospital de Bellvitge.Participants/SubjectsWe included all adults who had either a neurological disorder affecting language or an oncological disease with an end-of-life prognosis and difficulty self-reporting pain. We excluded patients with a diagnosis of dementia.MethodsThe cross-sectional study included 325 patients who were simultaneously evaluated by two observers both at rest and in movement. We analyzed psychometric properties in terms of construct validity, reliability, and sensitivity to change.ResultsWe obtained Cronbach α > .70 in both situations and an inter-rater reliability of 0.80. Confirmatory factor analysis indicated that the model adjusted adequately to a unidimensional structure. In terms of sensitivity to change, the mean difference was greater in movement than at rest (difference in means was 1.15).ConclusionsThe PAINAD-Sp_Hosp scale had good psychometric qualities in terms of validity and reliability in neurology and oncology patients unable to self-report pain.Copyright © 2018 American Society for Pain Management Nursing. Published by Elsevier Inc. All rights reserved.

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