Abstract
Acute myeloid leukaemia (AML) is mainly affecting elderly patients. Elderly patients are increasingly affected by impairment of functional status (FS). FS is of prognostic relevance for survival in different tumours. Data for patients with AML are rare. Within a prospective trial we recruited patients with newly diagnosed AML and measured FS by two different methods: Karnofsky performance status (KPS) and instrumental activities of daily living (IADL). Sixty-three patients aged 19–85 years (median 61.1) were included. Twenty-three had prior myelodisplastic syndrome (MDS), 7 favourable, 17 unfavourable karyotype. Fifty received induction chemotherapy, 13 palliative chemotherapy. Median survival was 15.2 months (95% CI, 10.8–22.3) in all patients. Age, cytogenetic risk group, and impaired KPS and IADL significantly influenced median survival in univariate analysis. Impairment of IADL was the single most predictive variable. In multivariate analysis, impairment of IADL Score (HR:4.3, 95% CI 1.7–10.5, P = 0.001) and of KPS (HR:4.8, 95% CI 1.9–12.3, P = 0.001), and unfavourable cytogenetic risk group (HR:6.0, 95% CI 2.5–14.3, P < 0.001) significantly predicted median survival. In patients with AML, FS and not age is a major predictor of survival. The influence of FS is independent from cytogenetic risk group. IADL measurement adds information to KPS. The results have to be confirmed in a large sample of patients.
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Acknowledgments
The authors wish to thank Grit Schröder and Diana Kathe for the helpful work with the data management. We specially thank our colleague Sebastian Scholl for critical review of the manuscript and most helpful comments. This work was supported by a grant of the German Cancer Aid 70-2445-Hö-3.
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Wedding, U., Röhrig, B., Klippstein, A. et al. Impairment in functional status and survival in patients with acute myeloid leukaemia. J Cancer Res Clin Oncol 132, 665–671 (2006). https://doi.org/10.1007/s00432-006-0115-7
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DOI: https://doi.org/10.1007/s00432-006-0115-7