The effect of English language proficiency on length of stay and in-hospital mortality |
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| Authors: | Ava John-Baptiste MHSc Gary Naglie MD George Tomlinson PhD Shabbir M. H. Alibhai MD MSc Edward Etchells MD MSc Angela Cheung MD PhD Moira Kapral MD MSc Wayne L. Gold MD Howard Abrams MD Maria Bacchus MD MSc Dr. Murray Krahn MD MSc |
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| Affiliation: | Division of General Internal Medicine, Department of Medicine, University Health Network, University of Toronto, Toronto, Ontario, Canada. |
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| Abstract: | BACKGROUND: In ambulatory care settings, patients with limited English proficiency receive lower quality of care. Limited information is available describing outcomes for inpatients. OBJECTIVE: To investigate the effect of English proficiency on length of stay (LOS) and in-hospital mortality. DESIGN: Retrospective analysis of administrative data at 3 tertiary care teaching hospitals (University Health Network) in Toronto, Canada. PARTICIPANTS: Consecutive inpatient admissions from April 1993 to December 1999 were analyzed for LOS differences first by looking at 23 medical and surgical conditions (59,547 records) and then by a meta-analysis of 220 case mix groups (189,119 records). We performed a similar analysis for in-hospital mortality. MEASUREMENTS: LOS and odds of in-hospital death for limited English-proficient (LEP) patients relative to English-proficient (EP) patients. RESULTS: LEP patients stayed in hospital longer for 7 of 23 conditions (unstable coronary syndromes and chest pain, coronary artery bypass grafting, stroke, craniotomy procedures, diabetes mellitus, major intestinal and rectal procedures, and elective hip replacement), with LOS differences ranging from approximately 0.7 to 4.3 days. A meta-analysis using all admission data demonstrated that LEP patients stayed 6% (approximately 0.5 days) longer overall than EP patients (95% confidence interval, 0.04 to 0.07). LEP patients were not at increased risk of in-hospital death (relative odds, 1.0; 95% confidence interval, 0.9 to 1.1). CONCLUSIONS: Patients with limited English proficiency have longer hospital stays for some medical and surgical conditions. Limited English proficiency does not affect in-hospital mortality. The effect of communication barriers on outcomes of care in the inpatient setting requires further exploration, particularly for selected conditions in which length of stay is significantly prolonged. |
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| Keywords: | administrative database English proficiency in-hospital mortality length of stay patient care |
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