title: Effect of diabetes on mortality and length of hospital stay in patients with renal or perinephric abscess.
abstract: OBJECTIVE
  We compared the risk of in-hospital mortality and the length of hospital stay between diabetic and non-diabetic patients hospitalized for renal or perinephric abscess.
  
  
  METHODS
  The data analyzed in this study were retrieved from Taiwan's National Health Insurance claims. The risk of in-hospital mortality and the length of hospital stay were compared between 1,715 diabetic patients, hospitalized because of renal or perinephric abscess in Taiwan between 1997 and 2007, and a random sample of 477 non-diabetes patients with renal or perinephric abscess.
  
  
  RESULTS
  The in-hospital mortality rates from renal or perinephric abscess for the diabetic patients and the non-diabetic patients were not different, at 2.3% and 3.4%, respectively. However, diabetes was significantly associated with a longer length of hospital stay among patients with renal abscess, by 3.38 days (95% confidence interval [CI]: 1.59-5.17).
  
  
  CONCLUSIONS
  Diabetes does not increase the risk of in-hospital mortality from renal or perinephric abscess. Nevertheless, appropriate management of patients with diabetes and concurrent renal or perinephric abscess is essential to reduce the length of hospital stay.
authors.affiliation: Zhong-Xing Branch of Taipei City Hospital, Department of Surgery, Taipei, Taiwan.
authors.forename: Ming-Chung
authors.initials: MC
authors.lastname: Ko
authors.forename: Allen Wen-Hsiang
authors.initials: AW
authors.lastname: Chiu
authors.forename: Chih-Ching
authors.initials: CC
authors.lastname: Liu
authors.forename: Chih-Kuang
authors.initials: CK
authors.lastname: Liu
authors.forename: Lin-Chung
authors.initials: LC
authors.lastname: Woung
authors.forename: Lai-King
authors.initials: LK
authors.lastname: Yu
authors.forename: Chung-Yi
authors.initials: CY
authors.lastname: Li
mesh_terms: D000038:Abscess / Q000401:mortality*; D000328:Adult; D017677:Age Distribution; D000368:Aged; D015331:Cohort Studies; D003920:Diabetes Mellitus / Q000401:mortality*; D005260:Female; D017052:Hospital Mortality; D006801:Humans; D007674:Kidney Diseases / Q000401:mortality*; D007902:Length of Stay / Q000706:statistics & numerical data*; D008297:Male; D008875:Middle Aged; D016016:Proportional Hazards Models; D018570:Risk Assessment; D012307:Risk Factors; D017678:Sex Distribution; D013624:Taiwan
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