National trends in hospitalization and mortality rates for patients with HIV, HCV, or HIV/HCV coinfection from 1996-2010 in the United States: A cross-sectional study

Christine U. Oramasionwu, Joshua C. Toliver, Terence L. Johnson, Heather N. Moore, Christopher R. Frei

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Background: The comparative impact of chronic viral monoinfection versus coinfection on inpatient outcomes and health care utilization is relatively unknown. This study examined trends, inpatient utilization, and hospital outcomes for patients with HIV, HCV, or HIV/HCV coinfection. Methods: Data were from the 1996-2010 National Hospital Discharge Surveys. Hospitalizations with primary ICD-9-CM codes for HIV or HCV were included for HIV and HCV monoinfection, respectfully. Coinfection included both HIV and HCV codes. Demographic characteristics, select comorbidities, procedural interventions, average hospital length of stay (LOS), and discharge status were compared by infection status (HIV, HCV, HIV/HCV). Annual disease estimates and survey weights were used to generate hospitalization rates. Results: ~6.6 million hospitalizations occurred in patients with HIV (39%), HCV (56%), or HIV/HCV (5%). The hospitalization rate (hospitalizations per 100 persons with infection) decreased in the HIV group (29.8 in 1996; 5.3 in 2010), decreased in the HIV/HCV group (2.0 in 1996; 1.5 in 2010), yet increased in the HCV group (0.2 in 1996; 0.9 in 2010). Median LOS from 1996 to 2010 (days, interquartile range) decreased in all groups: HIV, 6 (3-10) to 4 (3-8); HCV, 5 (3-9) to 4 (2-6); HIV/HCV, 6 (4-11) to 4 (2-7). Age-adjusted mortality rates decreased for all three groups. The rate of decline was least pronounced for those with HCV monoinfection. Conclusion: Hospitalizations have declined more rapidly for patients with HIV infection (including HIV/HCV coinfection) than for patients with HCV infection. This growing disparity between HIV and HCV underscores the need to allocate more resources to HCV care in hopes that similar large-scale improvements can also be accomplished for patients with HCV.

Original languageEnglish (US)
Article number536
JournalBMC Infectious Diseases
Volume14
Issue number1
DOIs
StatePublished - Oct 10 2014
Externally publishedYes

Keywords

  • Coinfection
  • HCV
  • HIV
  • Health care utilization
  • Hospitalization

ASJC Scopus subject areas

  • Infectious Diseases

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