{"doi":"10.2215/cjn.05070511","title":"Risks of Subsequent Hospitalization and Death in Patients with Kidney Disease","abstract":"<jats:title>Summary</jats:title>\n          <jats:sec>\n            <jats:title>Background and objectives</jats:title>\n            <jats:p>Rates of hospitalization are known to be high in patients with kidney disease. However, ongoing risks of subsequent hospitalization and mortality are uncertain. The primary objective was to evaluate patients with kidney disease for long-term risks of subsequent hospitalization, including admissions resulting in death.</jats:p>\n          </jats:sec>\n          <jats:sec>\n            <jats:title>Design, setting, participants, &amp; measurements</jats:title>\n            <jats:p>Patients hospitalized in Washington State between April of 2006 and December of 2008 who survived to discharge (<jats:italic toggle=\"yes\">n</jats:italic>=676,343) were classified by International Classification of Disease codes into CKD (<jats:italic toggle=\"yes\">n</jats:italic>=27,870), dialysis (<jats:italic toggle=\"yes\">n</jats:italic>=6131), kidney transplant (<jats:italic toggle=\"yes\">n</jats:italic>=1100), and reference (<jats:italic toggle=\"yes\">n</jats:italic>=641,242) cohorts. Cox proportional hazard models controlling for age, sex, payer, comorbidity, previous hospitalization, primary diagnosis category, and length of stay were conducted for time to event analyses.</jats:p>\n          </jats:sec>\n          <jats:sec>\n            <jats:title>Results</jats:title>\n            <jats:p>Compared with the reference cohort, risks for subsequent hospitalization were increased in the CKD (hazard ratio=1.20, 99% confidence interval=1.18–1.23, <jats:italic toggle=\"yes\">P</jats:italic>&lt;0.001), dialysis (hazard ratio=1.76, 99% confidence interval=1.69–1.83, <jats:italic toggle=\"yes\">P</jats:italic>&lt;0.001), and kidney transplant (hazard ratio=1.85, 99% confidence interval=1.68–2.03, <jats:italic toggle=\"yes\">P</jats:italic>&lt;0.001) cohorts, with a mean follow-up time of 29 months. Similarly, risks for fatal hospitalization were increased for patients in the CKD (hazard ratio=1.41, 99% confidence interval=1.34–1.49, <jats:italic toggle=\"yes\">P</jats:italic>&lt;0.001), dialysis (hazard ratio=3.04, 99% confidence interval=2.78–3.31, <jats:italic toggle=\"yes\">P</jats:italic>&lt;0.001), and kidney transplant (hazard ratio=2.25, 99% confidence interval=1.67–3.03, <jats:italic toggle=\"yes\">P</jats:italic>&lt;0.001) cohorts. Risks for hospitalization and fatal hospitalization increased in a graded manner by CKD stage.</jats:p>\n          </jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions</jats:title>\n            <jats:p>Risks of subsequent hospitalization, including admission resulting in death, among patients with kidney disease were substantially increased in a large statewide population. Patients with kidney disease should be a focus of efforts to reduce hospitalizations and mortality.</jats:p>\n          </jats:sec>","journal":"Clinical Journal of the American Society of Nephrology","year":2012,"id":17686,"datarank":5.214925204617674,"base_score":4.6913478822291435,"endowment":4.6913478822291435,"self_citation_contribution":0.7037021823343717,"citation_network_contribution":4.5112230222833025,"self_endowment_contribution":0.7037021823343717,"citer_contribution":4.5112230222833025,"corpus_percentile":null,"corpus_rank":null,"citation_count":108,"citer_count":97,"citers_with_citation_signal":79,"citers_with_endowment":79,"datacite_reuse_total":2,"is_dataset":false,"is_dataset_confidence":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":125677,"name":"Robert A. Short","orcid":null,"position":1,"is_corresponding":false},{"id":125678,"name":"Cynthia F. Corbett","orcid":null,"position":2,"is_corresponding":false},{"id":125679,"name":"Michael E. Ring","orcid":null,"position":3,"is_corresponding":false},{"id":125680,"name":"Radica Alicic","orcid":null,"position":4,"is_corresponding":false},{"id":125681,"name":"Randall Choka","orcid":null,"position":5,"is_corresponding":false},{"id":125682,"name":"Katherine R. Tuttle","orcid":null,"position":6,"is_corresponding":false},{"id":125676,"name":"Kenn B. Daratha","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"base_score":4.6913478822291435,"endowment":4.6913478822291435,"datacite_reuse_total":2,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"22266573","pmcid":null,"openalex_id":"https://openalex.org/W2027570649","authors":[],"funders":[{"funder_name":"NIDDK NIH HHS","grant_id":"R34 DK094016","title":null}],"total_grants":1,"fwci":2.3172,"citation_percentile":0.87600169,"influential_citations":5,"citation_trend":[{"year":2013,"count":6},{"year":2014,"count":5},{"year":2015,"count":3},{"year":2016,"count":6},{"year":2017,"count":3},{"year":2018,"count":8},{"year":2019,"count":7},{"year":2020,"count":14},{"year":2021,"count":9},{"year":2022,"count":10},{"year":2023,"count":12},{"year":2024,"count":9},{"year":2025,"count":13},{"year":2026,"count":3}],"oa_status":"closed","license":null,"oa_locations":[{"url":"https://cjasn.asnjournals.org/content/clinjasn/7/3/409.full.pdf","host_type":"BRONZE"},{"url":"https://journals.lww.com/01277230-201203000-00008","host_type":"publisher"},{"url":"https://doi.org/10.2215/cjn.05070511","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/22266573","host_type":"repository"}],"fields_of_study":["Chronic Kidney Disease and Diabetes","Dialysis and Renal Disease Management","Renal Transplantation Outcomes and Treatments","Medicine","Adult","Aged","Aged, 80 and over","Disease-Free Survival","Female","Hospital Mortality","Hospitalization","Humans","Kidney Diseases","Kidney Transplantation","Length of Stay","Longitudinal Studies","Male","Middle Aged","Patient Admission","Proportional Hazards Models","Renal Dialysis","Risk Assessment","Risk Factors","Survival Analysis","Time Factors","Treatment Outcome","Washington"],"mesh_terms":["Adult","Aged","Aged, 80 and over","Female","Renal Dialysis","Hospitalization","Humans","Kidney Diseases","Length of Stay","Longitudinal Studies","Male","Middle Aged","Patient Admission","Risk Factors","Time Factors","Washington","Proportional Hazards Models","Survival Analysis","Kidney Transplantation","Treatment Outcome","Hospital Mortality","Risk Assessment","Disease-Free Survival"],"keywords":["Hazard ratio","Medicine","Confidence interval","Dialysis","Kidney disease","Internal medicine","Proportional hazards model","Comorbidity"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Good health and well-being"}],"linked_datasets":[{"doi":"10.6084/m9.figshare.17047034.v1","title":"Additional file 1 of Hospitalisation events in people with chronic kidney disease as a component of multimorbidity: parallel cohort studies in research and routine care settings","publisher":"figshare","resource_type":"JournalArticle"},{"doi":"10.6084/m9.figshare.17047034","title":"Additional file 1 of Hospitalisation events in people with chronic kidney disease as a component of multimorbidity: parallel cohort studies in research and routine care settings","publisher":"figshare","resource_type":"JournalArticle"}],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-06-02T19:49:46.617079Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}