Functional status decline in older patients with breast and colorectal cancer after cancer treatment: a prospective cohort study

Doris van Abbema, Arnée van Vuuren, Franchette van den Berkmortel, Marjan van den Akker, Laura Deckx, Frank Buntinx, Roel van Kampen, Els Lambooij, Maaike de Boer, Judith de Vos-Geelen, Vivianne C Tjan-Heijnen

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    Abstract

    OBJECTIVES: The aim of the present study was to disentangle the impact of age and that of cancer diagnosis and treatment on functional status (FS) decline in older patients with cancer.

    MATERIALS AND METHODS: Patients with breast and colorectal cancer aged 50-69years and aged ≥70years who had undergone surgery, and older patients without cancer aged ≥70years were included. FS was assessed at baseline and after 12months follow-up, using the Katz index for activities of daily living (ADL) and the Lawton scale for instrumental activities of daily living (IADL). FS decline was defined as ≥1 point decrease on the ADL or IADL scale from baseline to 12months follow-up.

    RESULTS: In total, 179 older patients with cancer (≥ 70years), 341 younger patients with cancer (50-69years) and 317 older patients without cancer (≥ 70years) were included. FS decline was found in 43.6%, 24.6% and 28.1% of the groups, respectively. FS decline was significantly worse in older compared to younger patients with cancer receiving no chemotherapy (44.5% versus 17.6%, p<0.001), but not for those who did receive chemotherapy (39.4% versus 30.8%, p=0.33). Among the patients with cancer, FS decline was significantly associated with older age (OR 2.63), female sex (OR 3.72), colorectal cancer (OR 2.81), polypharmacy (OR 2.10) and, inversely, with baseline ADL dependency (OR 0.44).

    CONCLUSION: Cancer treatment, and older age are important predictors of FS decline. The relation of baseline ADL dependency and chemotherapy with FS decline suggest that the fittest of the older patients with cancer were selected for chemotherapy.

    Original languageEnglish
    Pages (from-to)176-184
    Number of pages9
    JournalJournal of geriatric oncology
    Volume8
    Issue number3
    DOIs
    Publication statusPublished - 2017

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