Long-term health-related quality of life of breast cancer survivors remains impaired compared to the age-matched general population especially in young women : Results from the prospective controlled BREX exercise study
Roine, E., Sintonen, H., Kellokumpu-Lehtinen, P.-L., Penttinen, H., Utriainen, M., Vehmanen, L., Huovinen, R., Kautiainen, H., Nikander, R., Blomqvist, C., Hakamies-Blomqvist, L., & Saarto, T. (2021). Long-term health-related quality of life of breast cancer survivors remains impaired compared to the age-matched general population especially in young women : Results from the prospective controlled BREX exercise study. Breast, 59, 110-116. https://doi.org/10.1016/j.breast.2021.06.012
© 2021 The Authors. Published by Elsevier Ltd.
Objective To investigate long-term health-related quality of life (HRQoL) changes over time in younger compared to older disease-free breast cancer survivors who participated in a prospective randomized exercise trial. Methods Survivors (aged 35–68 years) were randomized to a 12-month exercise trial after adjuvant treatment and followed up for ten years. HRQoL was assessed with the generic 15D instrument during follow-up and the younger (baseline age ≤ 50) and older (age >50) survivors’ HRQoL was compared to that of the age-matched general female population (n = 892). The analysis included 342 survivors. Results The decline of HRQoL compared to the population was steeper and recovery slower in the younger survivors (p for interaction < 0.001). The impairment was also larger among the younger survivors (p = 0.027) whose mean HRQoL deteriorated for three years after treatment and started to slowly improve thereafter but still remained below the population level after ten years (difference −0.017, 95% CI: 0.031 to −0.004). The older survivors’ mean HRQoL gradually approached the population level during the first five years but also remained below it at ten years (difference −0.019, 95% CI: 0.032 to −0.007). The largest differences were on the dimensions of sleeping and sexual activity, on which both age groups remained below the population level throughout the follow-up. Conclusions HRQoL developed differently in younger and older survivors both regarding the most affected dimensions of HRQoL and the timing of the changes during follow-up. HRQoL of both age groups remained below the population level even ten years after treatment. ...
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Additional information about fundingThe BREX study was supported by the Cancer Society of Finland and Competitive State Research Financing of the Expert Responsibility of Tampere University Hospital.
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