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Is physical inactivity and sedentary behavior associated with tumor stage in breast cancer patients? A cross-sectional study of Brazilian women

  • Luana de Lima Queiroga*
  • , Rafael Mathias Pitta
  • , Mayra de França Trevisani
  • , Carla Giuliano de Sá Pinto Montenegro
  • , Diogo Diniz Gomes Bugano
  • , Aylton José Figueira Junior
  • , Julien Steven Baker
  • , Danilo Sales Bocalini
  • , Luciana Diniz Nagem Janot de Matos
  • *Corresponding author for this work

    Research output: Contribution to journalJournal articlepeer-review

    Abstract

    OBJECTIVE: A comparative analysis of the association between sedentary behavior versus physical activity levels and tumor staging in women with breast cancer. 

    METHODS: The present research adopted a cross-sectional study design to recruit a total of 55 adult and elderly women newly diagnosed with breast cancer for data collection and analysis. Inclusion criteria involved patients in procession of a formal approval for participation in the study by the treating physician and those not hitherto subjected to the first cycle of chemotherapy. 

    RESULTS: Physical activity levels did not influence the pathological stage of breast cancer (p=0.26) or histological tumor grade (p=0.07) in the analyzed subjects. However, there was a significant association between physical activity levels and responsiveness to hormones (epidermal growth factor receptor (HER2), p<0.05) in the analyzed subjects. Significant difference was detected in the histological tumor grade in relation to the mean time spent sitting during the weekend (p<0.05). However, sedentary behavior had no influence on the tumor stage (p>0.05). 

    CONCLUSION: Physical activity levels did not influence the tumor stage and histological tumor grade. Sedentary behavior had a significant influence on the histological tumor grade.

    Original languageEnglish
    Article numbereAO0215
    JournalEinstein (Sao Paulo, Brazil)
    Volume21
    DOIs
    Publication statusPublished - 19 Jun 2023

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 3 - Good Health and Well-being
      SDG 3 Good Health and Well-being

    User-Defined Keywords

    • Sedentary behavior
    • Exercise
    • Breast neoplasms
    • Neoplasm staging
    • Sitting position

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