Recent trends in inpatient mortality and resource utilization for patients with stroke in the United States: 2005-2009.

  • Stepanova M
  • Venkatesan C
  • Altaweel L
 et al. 
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Abstract

BACKGROUND: The aim of the study is to evaluate recent trends in mortality, length of stay, costs, and charges for patients admitted to the US hospitals with the principal diagnosis of stroke.

METHODS: This was a retrospective temporal trends study using data from the Nationwide Inpatient Sample from 2005 to 2009.

RESULTS: During the study period, there were 2.7 million hospital admissions with the diagnosis of stroke in the United States (470,000 intracerebral hemorrhage, 130,000 subarachnoid hemorrhage, and 2.1 million ischemic strokes). In-hospital mortality decreased from 10.2% in 2005 to 9.0% in 2009 (26.0%-23.0%, 23.4%-23.1%, and 6.0%-5.1% for the stroke subtypes, respectively), the average length of stay decreased from 6.3 days to 5.9 days (5.6-5.2 days for ischemic stroke, remained the same for hemorrhagic stroke), and the average number of 1.3 ± 0.1 procedures per admission remained the same. The proportion of patients with major or extreme severity of illness increased from 39.2% to 47.0% (P < .0001). After adjustment for inflation, the average total charge per admission increased from $36,215 to $46,518 (P < .0001), whereas the average cost of treatment remained the same. Higher treatment cost is associated with lower in-hospital mortality after adjustment for demographic, hospital-related, and clinical confounders (odds ratio = .968 [.965-.970] per each extra $1000).

CONCLUSIONS: Between 2005 and 2009, in-hospital mortality for patients hospitalized with stroke improved despite increasing severity of illness. At the same time, the average charge for hospitalization increased by 28% despite unchanged cost of treatment and shorter length of stay.

Author-supplied keywords

  • Adult
  • Aged
  • Chi-Square Distribution
  • Female
  • Health Resources
  • Health Resources: economics
  • Health Resources: trends
  • Health Resources: utilization
  • Hospital Charges
  • Hospital Charges: trends
  • Hospital Costs
  • Hospital Costs: trends
  • Hospital Mortality
  • Hospital Mortality: trends
  • Humans
  • Length of Stay
  • Length of Stay: trends
  • Linear Models
  • Logistic Models
  • Male
  • Middle Aged
  • Odds Ratio
  • Prognosis
  • Retrospective Studies
  • Severity of Illness Index
  • Stroke
  • Stroke: diagnosis
  • Stroke: economics
  • Stroke: mortality
  • Stroke: therapy
  • Time Factors
  • United States

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Authors

  • Maria Stepanova

  • Chapy Venkatesan

  • Laith Altaweel

  • Alita Mishra

  • Zobair M Younossi

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