Diabetes Mellitus is Associated with Higher Risk of Developing Decompensated Cirrhosis in Chronic Hepatitis C Patients

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Abstract

Goals: To investigate the association of diabetes with risk of decompensated cirrhosis in patients with chronic hepatitis C (CHC). Background: Direct-acting antivirals are highly effective in treating CHC but very expensive. CHC patients at high risk of progression to symptomatic liver disease may benefit most from early treatment. Study: We conducted a retrospective cohort study using the 2006 to 2013 Truven Health Analytics MarketScan Commercial Claims and Encounters database including inpatient, outpatient, and pharmacy claims from private insurers. CHC and cirrhosis were identified using ICD-9-CM diagnosis codes; baseline diabetes was identified by diagnosis codes or antidiabetic medications. CHC patients were followed to identify decompensated cirrhosis. Multivariable Cox proportional hazards regression was used to model the risk of decompensated cirrhosis by baseline cirrhosis. Results: There were 75,805 CHC patients with median 1.9 years follow-up. A total of 10,317 (13.6%) of the CHC population had diabetes. The rates of decompensated cirrhosis per 1000 person-years were: 185.5 for persons with baseline cirrhosis and diabetes, 119.8 for persons with cirrhosis and no diabetes, 35.3 for persons with no cirrhosis and diabetes, and 17.1 for persons with no cirrhosis and no diabetes. Diabetes was associated with increased risk of decompensated cirrhosis in persons with baseline cirrhosis (adjusted hazard ratio=1.4; 95% confidence interval, 1.3-1.6) and in persons without baseline cirrhosis (adjusted hazard ratio=1.9; 95% confidence interval, 1.7-2.1). Conclusions: In a privately insured US population with CHC, the adjusted risk of decompensated cirrhosis was higher in diabetic compared with nondiabetic patients. Diabetes status should be included in prioritization of antiviral treatment.

Original languageEnglish
Pages (from-to)70-76
Number of pages7
JournalJournal of Clinical Gastroenterology
Volume51
Issue number1
DOIs
StatePublished - Jan 1 2017

Keywords

  • chronic hepatitis C
  • cirrhosis
  • decompensated cirrhosis
  • diabetes
  • hepatic complication
  • retrospective cohort study

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