Short-term case fatality rate and associated factors among inpatients with diabetic ketoacidosis and hyperglycemic hyperosmolar state: A hospital-based analysis over a 15-Year period

Hua Fen Chen, Chih Yuan Wang, Hsin Yu Lee, Ting Ting See, Mei Hsiu Chen, Ju Ying Jiang, Ming Tsang Lee, Chung-Yi Li

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29 Citations (Scopus)

Abstract

Background and Purpose Diabetic ketoacidosis (DKA) and hyperglycemic hyperosmolar state (HHS) are usually life threatening, but the recent trend of 28-day case-fatality and associated risk factors including Charlson index have not been known. Our aim was to evaluate the 28-day case-fatality rate among hospitalized DKA and HHS patients in a teaching hospital in Taiwan from 1991 to 2005. Methods DKA and HHS admissions, identified from in-patient electronic database, were linked to Taiwan's national death registry. Kaplan-Meier analysis was used to determine the 28-day case-fatality rates of DKA and HHS, and to compare the trend of case-fatality over three consecutive 5-year periods (i.e, 1991-1995, 1996-2000, 2001-2005). We also used the Cox proportional hazard regression model to explore the determinants of 28-day case-fatality of the study patients. Results The 28-day case-fatality rates for DKA and HHS were 6.10% and 18.83%, and the lowest ones were observed in 2001-2005 (2.65% and 11.63% in DKA and HHS, respectively). Pneumonia was a significant predictor for increased 28-day case-fatality in both illnesses. Additionally, older age and stroke were significantly associated with increased case-fatality in DKA patients while myocardial infarction and higher Charlson index were significant predictors for higher case-fatality in HHS patients. Conclusion Improvements in case-fatality in recent years for both DKA and HHS were found in the study hospital. Further reduction of the case-fatality rate among DKA and HHS patients can be achieved by optimal management of certain co-morbidities.

Original languageEnglish
Pages (from-to)729-737
Number of pages9
JournalInternal Medicine
Volume49
Issue number8
DOIs
Publication statusPublished - 2010 Apr 15

All Science Journal Classification (ASJC) codes

  • Internal Medicine

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