ArticleClinical genitourinary cancer2025
Association Between Rheumatoid Arthritis, Frailty Status, and Mortality in Older Adults with Bladder Cancer.
Article in Clinical genitourinary cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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12 authors.
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Abstract
backgroundTo evaluate the associations between rheumatoid arthritis (RA) and all-cause (ACM) and cancer-Specific mortality (CSM) in older adults with bladder cancer and examine how frailty may affect these associations.
methodsRetrospective cohort study derived from the Surveillance Epidemiology and End Results (SEER) cancer registry and linked to Medicare claims data (SEER-Medicare). The cohort consisted of patients ≥ 65 years diagnosed with bladder cancer between 2004 and 2017. RA and frailty status were derived using validated administrative algorithms. ACM and CSM as derived from the SEER registry.
resultsFrailty modified the relationship between RA and mortality outcomes (interaction P value for ACM: .002 and for CSM: .007). We observed that RA was associated with a higher risk of CSM (aHR 1.17, 95% CI, 1.01-1.35) and ACM (aHR 1.12, 95% CI, 1.05-1.20) in nonfrail patients. In frail patients with bladder cancer, RA was not independently associated with CSM (aHR 0.81, 95% CI, 0.62-1.06) or ACM (aHR 0.93, 95% CI, 0.83-1.05).
conclusionFrailty is associated with adverse health outcomes. As people are living longer, it is becoming increasingly prevalent among patients with chronic conditions such as RA. We observed that RA is associated with increased risk of ACM and CSM among nonfrail older adults with bladder cancer. The lack of an association between RA and mortality in frail patients with RA suggests that the effect of frailty on mortality may overpower the effect that RA may exert-this information can help prognosticate outcomes in patients with bladder cancer, RA, and frailty.
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