Abstract
Purpose
A few prognostic predicting systems existed for primary cutaneous B-cell lymphoma (PCBCL). However, none of them took age into consideration. We sought to declare the prognostic role of age in PCBCL.
Materials and methods
A total of 4859 patients were identified in the surveillance, epidemiology and end results data, spanning 1975–2016. The association between age and survival was determined using unadjusted and adjusted proportional hazard analysis.
Results
There was a uni-modal distribution of age, with most in the seventh decade (22%), followed by the sixth and eighth decades (19%). As a continuous variable, age was demonstrated to have an adverse effect on overall survival (OS, HR, 1.077, 95% CI 1.073–1.082, p = 0.000) and cancer-specific survival (CSS, HR, 1.099, 95% CI 1.092–1.106, p = 0.000) after adjusted proportional hazard analysis. Patients aged ≤ 60 years had significantly higher survival rates than those aged > 60 (5-year OS was 93% vs 64%, 10-year OS was 90% vs 45%, p = 0.000; 5-year CSS was 98% vs 80%, 10-year CSS 96% was 62%, p = 0.000). Similar survival trends were also observed in different sub-group analyses, including disease with different stages (p = 0.000), different histology subgroups (p = 0.000), and different sites (p = 0.000).
Conclusion
Age has an important effect on overall survival and cancer-specific survival. The addition of age to the primary site, histology, and stage improves predicting long-term outcomes in cutaneous B-cell lymphoma.
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Jia, X., Jin, G., Ma, Y. et al. The prognostic role of age in primary cutaneous B-cell lymphoma: a proposal derived from a population-based registry. Aging Clin Exp Res 33, 429–436 (2021). https://doi.org/10.1007/s40520-020-01544-w
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DOI: https://doi.org/10.1007/s40520-020-01544-w