Impact of diabetes on long-term all-cause re-hospitalization after revascularization with percutaneous coronary intervention

Kirstine N Hansen, Manijeh Noori, Evald H Christiansen, Eskild B Kristiansen, Michael Maeng, Ann Dorthe O Zwisler, Britt Borregaard, Rikke Søgaard, Karsten T Veien, Anders Junker, Lisette Okkels Jensen

Research output: Contribution to journalJournal articleResearchpeer-review


PURPOSE: The purpose of the study was to investigate the incidence, cause and probability of re-hospitalization within 30 and 365 days after percutaneous coronary intervention (PCI) in patients with diabetes.

METHOD: Between January 2010 and September 2014, 2763 patients with diabetes were treated with PCI at two Hospitals in Western Denmark. Reasons for readmission within 30 and 365 days were identified.

RESULTS: Readmission risks for patients with diabetes were 58% within 365 days and 18% within 30 days. Reason for readmission was ischemic heart disease (IHD) in 725 patients (27%), and non-IHD-related reasons in 826 patients (31%). IHD-related readmission within 365 days was associated with female gender (OR 1.3, 95% CI: 1.1-1.5), and non-ST-segment elevation myocardial infarction, compared to stable angina at the index hospitalization (OR 1.3, 95% CI: 1.1-1.6). Among patients with diabetes, increased risk of readmission due to other reasons were age (OR 1.3, 95% CI: 1.2-1.5) and higher scores of modified Charlson Comorbidity index (CCI): CCI ≥3 (OR 3.6, 95% CI: 2.8-4.6).

CONCLUSION: More than half of the patients with diabetes mellitus undergoing PCI were readmitted within 1 year. Comorbidities were the strongest predictor for non-IHD-related readmission, but did not increase the risk for IHD-related readmissions.

Original languageEnglish
JournalDiabetes & vascular disease research
Issue number4
Publication statusPublished - Jul 2022


  • Diabetes Mellitus/diagnosis
  • Female
  • Hospitalization
  • Humans
  • Myocardial Ischemia/diagnosis
  • Non-ST Elevated Myocardial Infarction
  • Patient Readmission
  • Percutaneous Coronary Intervention/adverse effects
  • Risk Factors
  • Time Factors
  • Treatment Outcome
  • diabetes mellitus
  • Coronary artery disease
  • percutaneous coronary intervention
  • re-hospitalization


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