A Comparison of Rates of Hospitalization and Emergency Department Visits Using Self-report and South Carolina Administrative Billing Data Among a Population-based Cohort with Spinal Cord Injury

Publication date: Available online 12 April 2016
Source:Archives of Physical Medicine and Rehabilitation
Author(s): Lee L. Saunders, David Murday, Beth Corley, Yue Cao, James S. Krause
ObjectiveTo compare self-report and South Carolina (SC) administrative billing data documentation of emergency department (ED) visits and hospitalizations in the past 12 months among a population-based cohort of persons with spinal cord injury (SCI).DesignCross-sectionalSettingSCI Surveillance System in SCParticipantsPersons sustaining a traumatic SCI between 1998 and 2011 in SC who, at the time of study assessment, were adults, were 1+ years post-injury, and had not made a complete recovery. 605 participants were included in the analysis.InterventionsN/AMain Outcome Measure(s)Hospitalizations and ED visits in the past 12 months.ResultsThere was significantly higher rate of reporting 1+ hospitalization in the past year for self-report (36%) compared to SC administrative billing data (26%) (p<.001), but not for 1+ ED visits (48% vs. 45%, p=.11). Decreased physical health and increased injury severity were associated with higher reporting rates of hospitalization. Physical health and injury severity were predictive of both self-report and SC administrative billing data of hospitalizations, while years post-injury and race were also predictors of SC administrative billing data hospitalizations.ConclusionsOur comparison of self-report and SC administrative billing data hospitalizations and ED visits showed a significantly higher rate of reporting of hospitalizations using self-report, specifically among those with poor physical health and higher injury severity. Future work should look at different ways of asking about health care utilization and compare with SC administrative billing data documentation to identify the best ways to assess through self-report.



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