Abstract
Background
Patient-reported outcome measures (PROMs) have gained considerable interest in health
care moving beyond traditional outcome measures of morbidity and mortality. In breast
cancer surgery, women's’ perceptions of appearance, function and quality of life have
become increasingly important. The BREAST-Q questionnaire is a validated PROM for
use in cosmetic and reconstructive breast surgery in clinical practice. The objective
of this study was to validate the Spanish electronic version of the BREAST-Q questionnaire,
to verify the measurement equivalence of digital and paper versions and to identify
the possible disadvantages and advantages of implementing this new tool.
Methods
The study population included 113 patients undergoing breast cancer survey at a single
hospital in Barcelona (Spain) who were able to complete both the electronic and paper
versions of the preoperative module of the BREAST-Q questionnaire.
Results
The intraclass correlation coefficient (ICC) in the four domains of the questionnaire
between the two versions of the questionnaire was >0.9, with a weighted kappa of >0.74 at
item level. The reliability of the internal consistency was also excellent, with Cronbach's
alpha coefficient of >0.70 in all domains. Age was a limiting factor for the delivery
of the electronic version of BREAST-Q, with 69 years of age as the cut-off point to
obtain reliable results.
Conclusions
The interchangeability of the electronic and paper versions of the BREAST-Q questionnaire
facilitates implementation of this instrument in routine surgical oncological practice.
Keywords
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Article info
Publication history
Published online: April 20, 2023
Accepted:
April 19,
2023
Received in revised form:
March 17,
2023
Received:
November 8,
2022
Publication stage
In Press Journal Pre-ProofIdentification
Copyright
© 2023 Published by Elsevier Ltd.
