TITLE

Venous Thromboembolism Rates in Transferred Patients: A Cross-Sectional Study

AUTHOR(S)
Lai, Samuel; Ton, Eric; Lovejoy, Marianne; Graham, William; Amin, Alpesh
PUB. DATE
January 2018
SOURCE
JGIM: Journal of General Internal Medicine;Jan2018, Vol. 33 Issue 1, p42
SOURCE TYPE
Academic Journal
DOC. TYPE
journal article
ABSTRACT
Background: Patients undergoing a transfer during a hospitalization may be more likely to be diagnosed with a venous thromboembolism (VTE) than patients who are not transferred.Objective: To determine whether transferred patients have an increased prevalence of VTE diagnosis.Design: This was a cross-sectional study comparing VTE diagnosis rates between transferred patients and non-transferred patients. For the years 2012-2014, the University HealthSystem Consortium database of multiple community and academic medical centers throughout the United States was parsed using ICD-9 VTE diagnosis codes and patient's point of origin.Patients: Patients were included in the analysis as transferred patients if their point of origin was a skilled nursing facility, another acute care facility or another facility. Non-transferred patients were those whose point of origin was a clinic or those with a non-facility point of origin.Main Measures: The primary comparison of VTE prevalence during hospitalization between transferred and non-transferred patients in the years 2012-2014. Subgroup analysis looked at level I trauma status and case mix index (CMI) to determine whether these had an effect on VTE prevalence.Key Results: From 2012 to 2014, a total of 225 unique hospitals and 12,036,029 patients were analyzed, and the prevalence of VTE in transferred patients and non-transferred patients was 3.43% and 1.91% (RR 1.80; 95% CI 1.78-1.81; P <0.001), respectively. VTE prevalence in transferred versus non-transferred patients at level I trauma centers was 3.42% versus 1.88% (RR = 1.82; 95% CI 1.80-1.85; P <0.001). The 3-year average CMI of transferred versus non-transferred patients was 3.53 versus 2.26 (P < 0.001).Conclusions: Transferred patients have a higher prevalence of VTE than non-transferred patients, regardless of level I trauma designation. Higher VTE rates in transferred versus non-transferred patients was minimally correlated with CMI.
ACCESSION #
127146891

 

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