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Development and psychometric testing of a breast cancer patient-profiling questionnaire

Authors Gorini A, Mazzocco K, Gandini S, Munzone E, McVie G, Pravettoni G

Received 29 December 2014

Accepted for publication 4 March 2015

Published 1 June 2015 Volume 2015:7 Pages 133—146

DOI https://doi.org/10.2147/BCTT.S80014

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Professor Pranela Rameshwar

Alessandra Gorini,1,2 Ketti Mazzocco,1,2 Sara Gandini,2 Elisabetta Munzone,2 Gordon McVie,2 Gabriella Pravettoni1,2

1Department of Health Science, University of Milan, Milan, Italy; 2European Institute of Oncology, Milan, Italy

Introduction: The advent of “personalized medicine” has been driven by technological advances in genomics. Concentration at the subcellular level of a patient's cancer cells has meant inevitably that the “person” has been overlooked. For this reason, we think there is an urgent need to develop a truly personalized approach focusing on each patient as an individual, assessing his/her unique mental dimensions and tailoring interventions to his/her individual needs and preferences. The aim of this study was to develop and test the psychometric properties of the ALGA-Breast Cancer (ALGA-BC), a new multidimensional questionnaire that assesses the breast cancer patient's physical and mental characteristics in order to provide physicians, prior to the consultation, with a patient's profile that is supposed to facilitate subsequent communication, interaction, and information delivery between the doctor and the patient.
Methods: The specific validation processes used were: content and face validity, construct validity using factor analysis, reliability and internal consistency using test–retest reliability, and Cronbach's alpha correlation coefficient. The exploratory analysis included 100 primary breast cancer patients and 730 healthy subjects.
Results: The exploratory factor analysis revealed eight key factors: global self-rated health, perceived physical health, anxiety, self-efficacy, cognitive closure, memory, body image, and sexual life. Test–retest reliability and internal consistency were good. Comparing patients with a sample of healthy subjects, we also observed a general ability of the ALGA-BC questionnaire to discriminate between the two.
Conclusion: The ALGA-BC questionnaire with 29 items is a valid instrument with which to obtain a patient’s profile that is supposed to help physicians achieve meaningful personalized care which supplements biological and genetic analyses.

Keywords: personalized medicine, patient–physician communication, questionnaire validation, patient preferences

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