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  • Outcomes, Costs of Hospitalization and the regional trends in Spinal Cord Tumor Surgery: A United States Nationwide Inpatient Sample Analysis from 2003-2010

    Final Number:
    1241

    Authors:
    MAYUR SHARMA; Ashish Sonig MD MCh neurosurgery; Sudheer Ambekar MBBS, MCh; Anil Nanda MD FACS

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2013 Annual Meeting

    Introduction: The aim of our study was to analyze the incidence of adverse outcomes and inpatient mortality following resection of Intramedullary spinal cord tumors (IMSCTs) using the US national database.

    Methods: This is a retrospective cohort study using the Nationwide Inpatient Sample (NIS) from 2003-2010. The adverse discharge disposition, in hospital mortality and the higher cost of hospitalization were taken as the dependent variables.

    Results: A total of 15545 admissions was identified from the NIS database. The mean patient age was 44.84+ 19.49 yrs and 52% (n= 7938) of the patients were males. 64.1% (n=9917) of the patients were discharged to home or self care and the overall in hospital mortality rate was 0.46% (n=71). The mean total charges of hospitalization had increased from $45452.24 in 2003 to $76698.96 in 2010. Elderly patients, Female sex, Black race and lower ZIP code income were the independent predictors of OTR disposition (p<0.001). Patients with higher co morbidity index and with complications were more likely to have an adverse discharge disposition. Hospitals with larger bed size and in the Northeast region independently predicted the OTR discharge disposition (p<0.001). Weekend and nonelective admissions were found to be independent predictors of inpatient mortality and the higher cost incurred to the hospitals (p <0.001). Young patients with higher median household income, non private insurance, presence of complications and with higher co morbidity index was significantly correlated with higher hospital charges on analysis (p<0.001)

    Conclusions: Elderly patients, lower median household income, non private insurance, higher co morbidity index, presence of complications, larger hospital bed size, Northeast region, weekend and non elective admissions were the independent predictors of adverse discharge disposition. Young patients, higher median household income, non private insurance, presence of complications, higher co morbidity index were the strongest predictors of higher cost incurred to the hospitals.

    Patient Care: This study helps to identify various patient and hospital related variables which can influence the patient outcome and the total cost of hospitalization, so that adequate measures can be taken to improve the outcome.

    Learning Objectives: By the conclusion of this session, participants should be able to identify various patient and hospital related variables that can influence the discharge disposition, in hospital mortality and the total cost incurred to the hospitals.

    References:

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