Affiliation:
1. Population Health, University of Bristol, Bristol, UK
2. UK Renal Registry, UK Renal Association, Bristol, UK
Abstract
ABSTRACT
Background
Kidney disease registries typically report populations incident to kidney replacement therapy (KRT) after excluding reversible disease. Registry-based audit and quality assurance is thus based on populations depleted of those with the highest early mortality. It is now mandatory for UK kidney units to report all recipients of dialysis, both acute and chronic. This work presents 90-day survival and recovery outcomes for all reported adults.
Methods
Seventy adult centres reporting to the UK Renal Registry were included. Those assessed as underreporting death and recovery were excluded. Survival was evaluated using a Kaplan–Meier estimator. Cox regression was used to describe hazard ratios (HRs) for age, sex and acute/chronic dialysis coding on day 1. Analysis of all-cause 90-day mortality with recovery as a competing risk is presented.
Results
Twenty-four centres were assessed as underreporting, with rates of death/recovery below the 99.7th centile. Of 5784 dialysis starters in the remaining 46 centres, 2163 (37.4%) were coded as receiving acute dialysis on day 1. Ninety days after starting, 3860 (66.7%) of all starters were receiving KRT, 1157 (20.0%) were alive having stopped, 716 (12.4%) were dead and 51 (0.9%) were lost to follow-up. Mortality was higher among those coded as receiving acute dialysis on day 1 (HR 4.88, P < 0.001). The sub-HR for recovery among those coded as receiving acute compared with chronic dialysis was 56.14 (P < 0.001).
Conclusions
Death and recovery rates are substantially higher than reported in conventional incident populations. This work highlights a vulnerable subgroup of patients largely overlooked by most national quality assurance systems.
Publisher
Oxford University Press (OUP)
Subject
Transplantation,Nephrology
Cited by
1 articles.
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