Development and validation of a risk score for the prediction of cardiovascular disease in living donor kidney transplant recipients

Japan Academic Consortium of Kidney Transplantation investigators

研究成果: Contribution to journalArticle査読

抄録

BACKGROUND: Cardiovascular disease (CVD) is a major cause of death in kidney transplant (KT) recipients. To improve their long-term survival, it is clinically important to estimate the risk of CVD after living donor KT via adequate pre-transplant CVD screening. METHODS: A derivation cohort containing 331 KT recipients underwent living donor KT at Kyushu University Hospital from January 2006 to December 2012. A prediction model was retrospectively developed and risk scores were investigated via a Cox proportional hazards regression model. The discrimination and calibration capacities of the prediction model were estimated via the c-statistic and the Hosmer-Lemeshow goodness of fit test. External validation was estimated via the same statistical methods by applying the model to a validation cohort of 300 KT recipients who underwent living donor KT at Tokyo Women's Medical University Hospital. RESULTS: In the derivation cohort, 28 patients (8.5%) had CVD events during the observation period. Recipient age, CVD history, diabetic nephropathy, dialysis vintage, serum albumin and proteinuria at 12 months after KT were significant predictors of CVD. A prediction model consisting of integer risk scores demonstrated good discrimination (c-statistic 0.88) and goodness of fit (Hosmer-Lemeshow test P = 0.18). In a validation cohort, the model demonstrated moderate discrimination (c-statistic 0.77) and goodness of fit (Hosmer-Lemeshow test P = 0.15), suggesting external validity. CONCLUSIONS: The above-described simple model for predicting CVD after living donor KT was accurate and useful in clinical situations.

本文言語英語
ページ(範囲)365-374
ページ数10
ジャーナルNephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association
36
2
DOI
出版ステータス出版済み - 1 25 2021

All Science Journal Classification (ASJC) codes

  • 腎臓病学
  • 移植

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