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Depression Symptoms in Haemodialysis Patients Predict All-Cause Mortality but Not Kidney Transplantation: A Cause-Specific Outcome Analysis

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posted on 2023-07-26, 14:44 authored by Joseph Chilcot, Ayman Guirguis, Karin Friedli, Michael Almond, Clara Day, Maria Da Silva-Gane, Andrew Davenport, Naomi A. Fineberg, Benjamin Spencer, David Wellsted, Ken Farrington
Background:Depression is common in haemodialysis (HD) patients and associated with poor outcomes. Purpose:To evaluate whether depression symptoms predict survival and transplantation in a large sample of haemodialysis patients using cause-specific survival models. Methods:Survival data was collected between April 2013 and November 2015, as part of the screening phase of a multicentre randomised placebo-controlled trial of sertraline in HD patients. Depression was measured using the Beck Depression Inventory-II (BDI-II) and the Patient Health Questionnaire-9 (PHQ-9). Demographic and clinical data were collected via a self-report questionnaire and medical records. Competing risk survival analysis involved cause-specific and subdistribution hazard survival models. All models were adjusted for appropriate covariates including co-morbidity and C-reactive protein (CRP) in a subanalysis. Results:Of 707 cases available for analysis, there were 148 deaths. The mean survival time was 787.5 days. Cumulative survival at 12 months was 88.5%. During the study follow-up period, there were 92 transplants. The cumulative transplant event rate at 12 months was 7.8%. In separate adjusted models, depression symptoms predicted mortality (BDI-II HR = 1.03 95% CI 1.01, 1.04; PHQ-9 HR = 1.04 95% CI 1.01, 1.06). With respect to screening cut-off scores, a PHQ-9 ≥ 10 was associated with mortality (HR = 1.51 95% CI 1.01, 2.19) but not a BDI-II ≥ 16. Depression symptoms were not associated with time to transplantation in either cause-specific or subdistribution model. Conclusions:Consistent with past findings in HD patients, depression symptoms predicted survival but were not associated with kidney transplantation. Suitable treatments for depression need further evaluation, and their impact upon quality of life and clinical outcomes determined. Trial Registration Number:(ISRCTN06146268).

History

Refereed

  • Yes

Volume

52

Issue number

1

Page range

1-8

Publication title

Annals of Behavioral Medicine

ISSN

1532-4796

Publisher

Oxford University Press

File version

  • Published version

Language

  • eng

Legacy posted date

2019-09-06

Legacy creation date

2019-09-06

Legacy Faculty/School/Department

ARCHIVED Faculty of Health, Social Care & Education (until September 2018)

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