Analysis of 2897 hospitalization events for patients with chronic kidney disease: results from CKD-JAC study

for the CKD-JAC Investigators

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Background: Chronic kidney disease is a known risk factor for end-stage renal and cardiovascular diseases. However, data are limited on the causes of hospitalization in patients with chronic kidney disease of maintenance period. This study aimed to aggregate hospitalization data of CKD patients and to determine the high-risk population. In addition, we compared CKD population to general population. Methods: We conducted a post hoc analysis of the chronic kidney disease-Japan cohort study, a multicenter prospective cohort study of 2966 patients with chronic kidney disease with a median 3.9 years of follow-up. We examined the hospitalization reasons and analyzed the risk factors. Results: We found 2897 all-cause hospitalization events (252.3 events/1000 person-years), a hospitalization incidence 17.1-fold higher than that in an age- and sex-matched cohort from the general Japanese population. Kidney, eye and adnexa, and heart-related hospital admissions were the most common. All-cause hospitalization increased with chronic kidney disease stage and with the presence of diabetes. Patients with diabetes at enrollment had 345.7 hospitalization events/1000 person-years, which is considerably higher than 196.8 events/1000 person-years for those without diabetes. Survival analysis, using hospitalization as an event, showed earlier all-cause hospitalization with the progression of chronic kidney disease stage and diabetes. Cardiovascular disease hospitalizations were more strongly influenced by diabetes than chronic kidney disease stage. Conclusions: Patients with chronic kidney disease and diabetes are highly vulnerable to hospitalization for a variety of diseases. These descriptive data can be valuable in predicting the prognosis of patients with chronic kidney disease.

Original languageEnglish
Pages (from-to)956-968
Number of pages13
JournalClinical and Experimental Nephrology
Volume23
Issue number7
DOIs
Publication statusPublished - Jul 1 2019

Keywords

  • Cardiovascular disease
  • Diabetes mellitus
  • Diabetic kidney disease
  • Japanese patient survey 2008
  • Pre-renal replacement therapy

ASJC Scopus subject areas

  • Physiology
  • Nephrology
  • Physiology (medical)

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