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Introduction <p>Ischemic stroke is the second leading cause of mortality and a major contributor to disability worldwide. Hospital length of stay (LOS) is a marker of medical efficiency for stroke care. There is limited information on this issue in China. This study aimed to identify predictors of prolonged LOS and to assess whether a prolonged LOS benefits functional outcomes in patients with acute ischemic stroke (AIS) in China.</p> Methods <p>This secondary analysis of the Chinese Acute Ischemic Stroke Treatment Outcome Registry, a multicenter, prospective, hospital-based registry study, included patients diagnosed as AIS and admitted to a hospital within 3&#xa0;days after AIS onset from May&#xa0;2015 to October 2017. Participants were dichotomized as the normal LOS group (LOS ≤ 14&#xa0;days) and the prolonged LOS group (LOS &gt; 14&#xa0;days). The outcomes were the proportions of poor outcome at 3&#xa0;months and 12&#xa0;months after stroke onset. Poor outcome was defined as a mRS score of 3–6.</p> Results <p>This study included 8171 patients (median age 64.0&#xa0;years; 5367 male, 2804 female); 2968 (36.3%) patients had a prolonged LOS. Multivariable analysis identified independent predictors of prolonged LOS, including medical insurance, history of diabetes mellitus, stroke severity, use of anticoagulant agents, in-hospital infection complications, hemorrhagic events, and hospital region. A prolonged LOS was associated with a higher risk of poor outcome at 3 and 12&#xa0;months after stroke, with this finding upheld in a propensity score-matched cohort as well as subgroup analyses stratified by stroke severity and age.</p> Conclusion <p>In this study, approximately one-third of patients with AIS experienced a prolonged LOS over 14&#xa0;days. Independent predictors of prolonged LOS included medical insurance, history of diabetes mellitus, stroke severity, use of anticoagulant agents, in-hospital infection complications, hemorrhagic events, and hospital region. Extending the LOS beyond 14&#xa0;days did not enhance the prognosis for patients with AIS. As an observational study, our research provided the foundation for further interventional studies.</p> <p>Graphical abstract available for this article.</p> Trial Registration <p>ClinicalTrials.gov NCT02470624.</p> Graphical Abstract <p></p>

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Prolonged Hospital Length of Stay Does Not Improve Functional Outcome in Acute Ischemic Stroke

  • 期刊论文

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  • 发表日期：

    2025年2月18日

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  • Yuxuan Lu,
  • Peng Sun,
  • Haiqiang Jin,
  • Zhaoxia Wang,
  • Zhiyuan Shen,
  • Wei Sun,
  • Yongan Sun,
  • Ran Liu,
  • Fan Li,
  • Junlong Shu,
  • Zifeng Qiu,
  • Zhongbing Lu,
  • Weiping Sun,
  • Sainan Zhu,
  • Yining Huang

摘要

Introduction

Ischemic stroke is the second leading cause of mortality and a major contributor to disability worldwide. Hospital length of stay (LOS) is a marker of medical efficiency for stroke care. There is limited information on this issue in China. This study aimed to identify predictors of prolonged LOS and to assess whether a prolonged LOS benefits functional outcomes in patients with acute ischemic stroke (AIS) in China.

Methods

This secondary analysis of the Chinese Acute Ischemic Stroke Treatment Outcome Registry, a multicenter, prospective, hospital-based registry study, included patients diagnosed as AIS and admitted to a hospital within 3 days after AIS onset from May 2015 to October 2017. Participants were dichotomized as the normal LOS group (LOS ≤ 14 days) and the prolonged LOS group (LOS > 14 days). The outcomes were the proportions of poor outcome at 3 months and 12 months after stroke onset. Poor outcome was defined as a mRS score of 3–6.

Results

This study included 8171 patients (median age 64.0 years; 5367 male, 2804 female); 2968 (36.3%) patients had a prolonged LOS. Multivariable analysis identified independent predictors of prolonged LOS, including medical insurance, history of diabetes mellitus, stroke severity, use of anticoagulant agents, in-hospital infection complications, hemorrhagic events, and hospital region. A prolonged LOS was associated with a higher risk of poor outcome at 3 and 12 months after stroke, with this finding upheld in a propensity score-matched cohort as well as subgroup analyses stratified by stroke severity and age.

Conclusion

In this study, approximately one-third of patients with AIS experienced a prolonged LOS over 14 days. Independent predictors of prolonged LOS included medical insurance, history of diabetes mellitus, stroke severity, use of anticoagulant agents, in-hospital infection complications, hemorrhagic events, and hospital region. Extending the LOS beyond 14 days did not enhance the prognosis for patients with AIS. As an observational study, our research provided the foundation for further interventional studies.

Graphical abstract available for this article.

Trial Registration

ClinicalTrials.gov NCT02470624.

Graphical Abstract