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Background <p>Studies in breast cancer patients have consistently shown that physical activity improves survival. We examined if change in physical activity from before to after a breast cancer diagnosis is associated with outpatient specialist care use and hospitalisations in women with type 2 diabetes mellitus (T2DM).</p> Methods <p>This register-based cohort study included 2145 women with T2DM who self-reported frequency of walking 30 min/week, 1–3 years before and after their breast cancer diagnosis (diagnosed 2004-2018). Women were grouped as: maintained inactive (reference), increased activity, decreased activity, or maintained active. Using multivariable-adjusted Cox proportional hazards models, we assessed change in physical activity with time to 1) first hospital admission and 2) first outpatient specialist care/hospitalisation for 15 International Classification of Disease chapters in the National Patient Register.</p> Results <p>Women who maintained active (hazard ratio[95% CI]: 0.68[0.58–0.80]) or increased (0.72[0.58–0.88]) activity, but not those who decreased (0.92[0.79–1.08]) activity, had a lower rate of hospitalisations during follow-up than inactive women. Results were similar for infection, malignancy, blood disorders, general symptoms, mental/behavioural health.</p> Conclusion <p>In breast cancer survivors, treated with curative intention, with T2DM, maintaining or increasing walking to ≥3times/week was associated with lower rates of hospitalisations overall and specialist outpatient care/hospitalisations across a range of diagnoses.</p> <p></p>

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Association of change in physical activity with use of outpatient specialist care and hospitalisations among breast cancer survivors with type 2 diabetes in Sweden

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月4日

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  • Genevieve Allen,
  • Emerald G. Heiland,
  • Stanley Teleka,
  • Ingrid Glimelius,
  • Karl Michaëlsson,
  • Liisa Byberg,
  • Hannah L. Brooke

摘要

Background

Studies in breast cancer patients have consistently shown that physical activity improves survival. We examined if change in physical activity from before to after a breast cancer diagnosis is associated with outpatient specialist care use and hospitalisations in women with type 2 diabetes mellitus (T2DM).

Methods

This register-based cohort study included 2145 women with T2DM who self-reported frequency of walking 30 min/week, 1–3 years before and after their breast cancer diagnosis (diagnosed 2004-2018). Women were grouped as: maintained inactive (reference), increased activity, decreased activity, or maintained active. Using multivariable-adjusted Cox proportional hazards models, we assessed change in physical activity with time to 1) first hospital admission and 2) first outpatient specialist care/hospitalisation for 15 International Classification of Disease chapters in the National Patient Register.

Results

Women who maintained active (hazard ratio[95% CI]: 0.68[0.58–0.80]) or increased (0.72[0.58–0.88]) activity, but not those who decreased (0.92[0.79–1.08]) activity, had a lower rate of hospitalisations during follow-up than inactive women. Results were similar for infection, malignancy, blood disorders, general symptoms, mental/behavioural health.

Conclusion

In breast cancer survivors, treated with curative intention, with T2DM, maintaining or increasing walking to ≥3times/week was associated with lower rates of hospitalisations overall and specialist outpatient care/hospitalisations across a range of diagnoses.