PROMs

BREAST-Q Version 2.0 Breast Conserving Therapy Module Pre- and Postoperative Scales Flow

BREAST-Q flow

Introduction

The BREAST-Q, a patient-reported outcome instrument, quantifies the impact of cosmetic and reconstructive breast surgery (i.e., augmentation, reduction/mastopexy, mastectomy, reconstruction, and breast conserving-therapy), pre- and post-operatively, on health-related quality of life (HR-QOL; including physical, psychosocial, and sexual well-being) and patient satisfaction (including satisfaction with breasts, outcome, and care). Investigators and clinicians can choose to use only those scales that are relevant to their research question. While each scale produces an independent score from 0–100, there is no overall BREAST-Q score [1, 2]. Scores are transformed via the Q-Score program (http://qportfolio.org/breast-q/breast-cancer/) or designated tables. BREAST-Q Version 1.0 was published in 2009 and Version 2.0 was published in 2017.

The BREAST-Q flow contains the BREAST-Q Version 2.0 Breast Conserving Therapy Module Pre- and Postoperative Scales questionnaire and associated calculation. After form submission, the BREAST-Q calculation is executed automatically. It's easy to extend this flow with conditional logic based on the interpretation of the BREAST-Q calculation.

BREAST-Q Version 2.0 Breast Conserving Therapy Module Pre- and Postoperative Scales questionnaire

Questions and Scoring

There are currently 6 BREAST-Q modules of which the Breast Cancer module consists of 4 modules to give clinicians the oportunity to tailor the BREAST-Q to their needs. Each module is divided into multiple scales that can be used independently.The modules are as follows:

  1. Augmentation
  2. Reduction/Mastopexy
  3. Breast Cancer
  4. Mastectomy
  5. Reconstruction
  6. Breast Reconstruction Expectations Modul
  7. Breast Conserving Therapy (BCT)

The conceptual framework of the BREAST-Q modules is comprised of the following two overarching themes (or domains) consisting of the diffrent scales:

Health-Related Quality of Life (QOL):

  • Psychosocial
  • Physical
  • Sexual well-being

Patient Satisfaction:

  • Satisfaction with Breasts
  • Satisfaction with Outcome
  • Satisfaction with Care

ach module of the BREAST-Q has a pre-operative and a post-operative version. The post-operative version includes all the pre-operative items in addition to items that address unique postoperative issues. The preoperative and postoperative scales are linked so the scores can be compared.

A detailed overview of the original BREAST-Q modules and scales, including the number of items, response options, time frame and the Flesch-Kincaid grade level (FK) can be found here.

Calculations

First a raw score also called sum score is calculated for each scale. For this each answer specific score per item/question within the scale is summed up.

For sacles that have less than 50% of items/questions answered the mean of the compleated questions is inserted to the missing ones.
Then the raw scores are then converted to the equivalent Rasch transformed score (range 0-100) with the help of the conversion tables.
The scores of each individual scale are displayed.

To illustrate this here is an example of the Satisfaction with Breasts scale of the Masectomy (pre-operative) module:

Interpretation

In general terms, for all BREAST-Q scales a higher score means greater satisfaction or better QOL (depending on the scale).

References

[1] Pusic AL, Klassen AF,Scott AM, Klok JA, Cordeiro PG, Cano SJ. Development of a new patient-reported outcome measure for breast  surgery: The BREAST-Q. Plast Reconstr Surg. 2009;124:345–353.\
[2] Cohen WA, Mundy LR, Ballard TN, et al. The BREAST-Q in surgical research: A review of the literature 2009-2015. J Plast Reconstr Aesthet Surg. 2016;69:149–162.

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