Patients with end-stage renal disease (ESRD) have impaired functional status compared to the general population. We sought to explore the association between Karnofsky Performance Status (KPS) and death/delisting from the kidney transplantation waitlist and whether this association differed by age. Patients listed for single-organ kidney transplantation in the United Network for Organ Sharing/Organ Procurement and Transplantation Network from 1/1/2015 – 1/1/2018 were included. We performed competing-risk regression analyses to determine the association between KPS (“Severely-impaired”; “Moderately-impaired”, “Non-impaired”) and death/delisting, with deceased-donor kidney transplantation as a competing risk. We tested for interactions between age and KPS on death/delisting. Of the 89,819 patients analyzed, 39% were impaired (KPS<80) and 20% were aged ≥65y. Older age and lower KPS were independently associated with higher risk of death/delisting (age 45-64y, HR 1.97 [95% CI 1.73-2.24]; age ≥65y, HR 3.62 [95% CI 3.33-3.92] compared with age <45y; moderately-impaired, HR 1.68 [95% CI 1.45-1.95]; severely-impaired, HR 4.80 [95% CI 3.71-6.21] compared with non-impaired). Lower KPS was associated with higher risk of death/delisting among all ages, but this effect was slightly less pronounced among individuals aged ≥65 years. Performance status should be used when counselling patients with ESRD on their risks for death/delisting.This article is protected by copyright. All rights reserved.
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- ENDO: 2020ENDO 2020 Annual Conference has been canceled due to COVID-19. Here are highlights of emerging data that has still been released. Keep an eye out for ENDO Online 2020, which will take place from June 8 to 22.